Answer:
you have to divide the mass and the volume, thanks!
Explanation:
Which of these would not be an effective means of collecting quantitative data?
A. A census
B. Artifact analysis
C. Opinion polls
D. Questionnaires
E. Multiple choice surveys
10 When magma squeezes into pre-existing rock, it is known as a(n):
1) extrusion
2) intrusion
3) fault
4) deposition
How do you think the specialized structure of a nerve cell enables it to carry signals over long distances?.
Although neurons have much in common with other cell types, they are structurally and functionally unique. Specialized projections called axons allow neurons to transmit electrical and chemical signals to other cells. Neurons can also receive these signals through root-like extensions known as dendrites.
What is the function of nerve cells?Neurons are cells responsible for transmitting nerve impulses. Cellular devices are citable cells, that is, they can respond to a membrane stimulus that is different from the electrical potential difference in the cell.
Whit this information we can conclude that Nerve cells, which are also called neurons, are one of the main components of this system. Neurons are a type of cell whose specialty is to receive and conduct impulses to other cells. In addition to neurons, glial cells also make up nervous tissue.
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Coffee has a ph of approximately 5. 0. What results would you predict if we added lactase to a solution of milk and coffee? would glucose be produced? provide your rationale.
When coffee is added to the milk and than lactose added to the coffee and milk solution glucose will be produced because lactose contain sugar and glucose is present in lactose.
What is lactose?Glucose present in milk is known and lactose and the color of milk is white due to presence of calcium in it. In milk sugar is found in the form of lactose and when milk is added with coffee glucose will be produced.
Coffee is a brownish bean shaped seed which is dried by the farmers and than blended into fine powder the powder is added with milk and sugar and coffee will be prepared. Generally coffee is found in Brazil and other countries.
Therefore, When coffee is added to the milk and than lactose added to the coffee and milk solution glucose will be produced because lactose contain sugar and glucose is present in lactose.
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Transcription and translation differ in prokaryotes versus eukaryotes in which way?.
Transcription and translation are the processes which results into formation of mRNA and proteins in the cell. These are different in prokaryotes than that of eukaryotes.
What is transcription and translation?
Transcription is the process of formation of mRNA from the DNA in the nucleus of cell. Translation is the process of formation of proteins in the ribosomes of cell.
In eukaryotes, Transcription of mRNA requires RNA polymerase enzyme whereas in prokaryotes, RNA polymerase is not required in the process of transcription. The process of Translation of the prokaryotic mRNA can occur as the mRNA is transcribed, which is not possible in eukaryotes.
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An example of homeostasis includes maintaining:
A) oxygen level (breathing)
B) body temperature
C) heart rate
D) all of these
i feel like it should be D..
As the body is flooded by an artificial opiate (for example, heroin), the brain stops producing its own natural opiate called:________
As the body is flooded by an artificial opiate (for example, heroin), the brain stops producing its own natural opiate called endorphins.
Describe endorphins:Your body releases endorphins as chemicals (hormones) in response to pain or stress. In addition, they are released while engaging in pleasure activities like eating, getting massages, and having sex.. Endorphins aid in pain relief, stress reduction, and overall wellbeing.
According to research, vitamin C controls the release of endorphins. Vitamin C supplements are simple to use, or you can try to get it from your food on its own.
What occurs when endorphin levels are high?When you hit your stride, your body releases molecules that contain endorphins.. These are the substances that cause "runner's high," a brief but intensely euphoric state that occurs after vigorous activity, according to popular culture.
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what are two questions about diseases that scientists might try to figure out?
Answer:
How did life begin? ...
Are we alone in the universe?
Explanation:
How many cells make up a prokarotic cell
Answer:
Prokaryotic cells are unicellular (single-celled) organisms, so the answer is 1!
Explanation:
Even though they're single-celled, proks can cluster together. They also lack a nucleus
Which polymer is a copolymer of a five-carbon sugar, four different bases (adenine, uracil, guanine, and cytosine), and phosphoric acid?
The polymer is known as acid. It can be both DNADNA and RNA.
Which polymer has a copolymer of a sugar with five carbons?A polymer, DNA is. DNA monomers are called nucleotides, and the polymer is referred to as a "polynucleotide." Deoxyribose, a sugar with five carbons, is connected to a base that contains nitrogen and a phosphate group to form each nucleotide.
A Nucleic acid is biological polymer. It is composed of nitrogenous bases , sugar and phosphoric acid . The sugar can be a five carbon sugar known as ribose or deoxyribise.
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The behavior of fully committing to the
group at the expense of an individual member’s needs is called ?
The behavior of fully committing to the group at the expense of an individual member’s needs is called altruism.
What is an altruism person?When we take actions to advance the welfare of others, even at risk or expense to ourselves, we are being altruistic. A generous and altruistic person engages in or displays altruistic behavior when they care about the welfare of others. However, many of our society's most significant institutions the fine arts, NGOs, and humanitarian charities rely on the generosity of affluent people with altruistic motives.
Examples of AltruismAvoiding actions that could benefit you personally if they would cost others. sacrificing oneself or taking a risk to assist someone. Even in times of scarcity, share resources. demonstrating care for the welfare of another person.
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How many gene pairs are involved in generating a typical 1:8:28:56:70:56:28:8:1 ratio in the f2 generation of an experimental cross? group of answer choices 6 3 4 2 5
The no. of gene pairs involved in generating the given cross in F2 generation are (4) pairs.
First we have to calculate total number of individuals that are formed in f2 generation i.e.. 1+8+28+56+70+56+28+8+1= 256
From above statement we can find out that out of 256 individuals 2 are showing the extreme/dominant characters that is the parental characters and all other individuals show recombination characters or characters different from the parental one.
If the proportion of F2 individuals displaying either of the two most extreme parental phenotypes can be calculated using the following formula, the number of genes in cases of polygenic inheritance can be estimated by the formula,
either of two extreme cases= 1/4ⁿ
=1/ 256 = 1/4ⁿ
On solving this we get n= 4
Thus 4 pairs of genes are involved in the f2 generation of an experimental cross.
A Polygenic inheritance is a phenomenon in which polygene is a gene that works in concert with other genes to slightly influence phenotypes.
Multiple alleles, such as the ABO blood group system, which is regulated by three alleles, are different from polygenic inheritance in that multiple alleles occurs when three or more alleles are present in the same locus and any two of those alleles are present in an organism.
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If the oxygen level is experimentally manipulated in a fish tank, what type of factor is the resulting heart rate of the fish?
The resulting heart rate of the fish is a Dependent Variable.
Dependent variables are those that depend on independent variables or other elements. That is, if the independent variable is manipulated, it reflects a change in the dependent variable.In this example, the oxygen level is the independent variable which was manipulated resulting in a change in the heart rate of the fish.Independent variables are the cause. They are not affected by other factors. However, dependent variables are the effect. Therefore, the values of a dependent variable (here, the heart rate of the fish) change with changes in independent variable. In other words, independent variable influences the values of the dependent variable. Here, we wanted to understand the effects of altered oxygen level on the heart rate of fish. Hence, the heart rate of the fish is a dependent variable.
Therefore, the correct answer is if that the resulting heart rate of the fish is a dependent variable.
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PLEAEES HELP I'LL GIVE BRAINLIST TO ANYBODY WHO IS RIGHT
Phenomenon: On September 26th 1991, 8 scientists locked themselves inside a smaller model of the earth's biosphere, called Biosphere 2. No one was allowed to leave or enter for two years. The scientists had to grow their own food, recycle all their human waste and water, and make sure there was the proper balance of oxygen and carbon dioxide in the air they were breathing.
This biosphere was considered a closed system because it was sealed off from the outside world. There was no exchange of liquid, solid, or gas matter. Even the bottom of the biosphere was sealed off from the earth below with a large sheet of metal. Biosphere 2 received sunlight and heat energy with the outside world, but did not exchange carbon dioxide, water, and oxygen.
Design a Hypothetical Experiment
Design an experiment that would help scientists figure out why the levels of Oxygen decreased in Biosphere 2
How are you going to test your hypothesis? Will it be full scale test or will you be using a model?
what will you use as a control group?
How will you know if you are successful?
write out the steps for setting up running the experiment.
1)
2)
3)
4)
5)
Answer:
Biosphere 2 is an American Earth system science research facility located in Oracle, Arizona. Its mission is to serve as a center for research, outreach, teaching, and lifelong learning about Earth, its living systems, and its place in the universe.It is a 3.14-acre (1.27-hectare) structure originally built to be an artificial, materially closed ecological system, or vivarium. It remains the largest closed ecological system ever created.
Constructed between 1987 and 1991, Biosphere 2 was originally meant to demonstrate the viability of closed ecological systems to support and maintain human life in outer space[4] as a substitute for Earth's biosphere. It was designed to explore the web of interactions within life systems in a structure with different areas based on various biological biomes. In addition to the several biomes and living quarters for people, there was an agricultural area and work space to study the interactions between humans, farming, technology and the rest of nature as a new kind of laboratory for the study of the global ecology. Its mission was a two-year closure experiment with a crew of eight humans ("biospherians").Long-term it was seen as a precursor to gain knowledge about the use of closed biospheres in space colonization. As an experimental ecological facility it allowed the study and manipulation of a mini biospheric system without harming Earth's biosphere.
Its seven biome areas were a 1,900-square-meter (20,000 sq ft) rainforest, an 850-square-meter (9,100 sq ft) ocean with a coral reef, a 450-square-meter (4,800 sq ft) mangrove wetlands, a 1,300-square-metre (14,000 sq ft) savannah grassland, a 1,400-square-meter (15,000 sq ft) fog desert, and two anthropogenic biomes: a 2,500-square-meter agricultural system and a human habitat with living spaces, laboratories and workshops. Below ground was an extensive part of the technical infrastructure. Heating and cooling water circulated through independent piping systems and passive solar input through the glass space frame panels covering most of the facility, and electrical power was supplied into Biosphere 2 from an onsite natural gas energy center.
Biosphere 2 was only used twice for its original intended purposes as a closed-system experiment: once from 1991 to 1993, and the second time from March to September 1994. Both attempts, though heavily publicized, ran into problems including low amounts of food and oxygen, die-offs of many animals and plants included in the experiment (though this was anticipated since the project used a strategy of deliberately "species-packing" anticipating losses as the biomes developed), group dynamic tensions among the resident crew, outside politics, and a power struggle over management and direction of the project. Nevertheless, the closure experiments set world records in closed ecological systems, agricultural production, health improvements with the high nutrient and low caloric diet the crew followed, and insights into the self-organization of complex biomic systems and atmospheric dynamics. The second closure experiment achieved total food sufficiency and did not require injection of oxygen.
In June 1994, during the middle of the second experiment, the managing company, Space Biosphere Ventures, was dissolved, and the facility was left in limbo. Columbia University assumed management of the facility in 1995 and used it to run experiments until 2003. It then appeared to be in danger of being demolished to make way for housing and retail stores, but was taken over for research by the University of Arizona in 2007. The University of Arizona took full ownership of the structure in 2011.
Marcus is helping his little sister with her homework. She is learning about the theory of evolution. Marcus correctly states that the theory of evolution is an example of a theory that?
The phrase "theory of evolution by natural selection," put out by Charles Darwin and Alfred Russel Wallace in the nineteenth century is more commonly known as the theory of evolution.
Evolution is decided by four principles: variation, inheritance, selection, and time. These are regarded as the elements of natural selection's evolutionary mechanism.
The idea is that people with characteristics that make it easier for them to adapt to their surroundings will help them survive and produce more children, who will inherit those characteristics.Less adaptable people are less likely to live and pass those traits on. The population will alter or evolve through time as the qualities that allow species to live and reproduce become more prevalent.Darwin cited fossil evidence, biogeographical evidence, and anatomical evidence to bolster his idea of evolution through natural selection.
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Richard was studying a computer simulation of the Earth’s rotational motion. He observed that Earth’s axis was inclined at an angle in relation to its plane of orbit around the Sun. How would Richard ideally define this inclination of the Earth’s axis?
Richard would define the inclination of the Earth’s axis in relation to its plane of orbit around the Sun as the planet’s_________.
.
Richard would define the inclination of the Earth’s axis in relation to its plane of orbit around the Sun as the planet’s axial tilt.
What is Axial tilt?This is also referred to as obliquity and it is defined as the angle or the inclination that a planet's rotation axis makes with the plane of its orbit which in the case of Earth it is 23.5 degrees.
The Earth and other planets orbit the sun because of the Sun's gravity which helps to keep them in their various orbits in the solar system thereby preventing them from collapsing into one another.
This ios therefore the reason why Axial tilt was chosen as the correct choice.
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The tissue that is usually well vascularized and has an extensive extracellular matrix is called.
The tissue that is usually well vascularized and has an extensive extracellular matrix is called epithelial tissue.
The epithelium is a type of body tissue that covers all of the internal and exterior body surfaces, lines hollow organs and body cavities, and makes up the majority of glandular tissue.Depending on where in the body it resides, epithelial tissue serves a range of purposes, including absorption, secretion, and protection.Epithelial cells compose epithelial tissue. Depending on where they are in your body and the jobs they perform, the cells can have a variety of forms and can be arranged in a single layer or numerous layers.A cell is the smallest biological entity capable of independent life. All living things, including the tissues in your body, are composed of cells.Therefore, the correct answer is epithelial tissue.
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How did Dziak and his team overcome the difficulty of traveling to the ocean bottom?
Dziak and his team overcome the difficulty of traveling to the ocean bottom with help of hydrophones which is a powerful microphones that are built to travel deep under water.
What are hydrophones used for?A hydrophone is an underwater instrument that listens for and captures all ocean sounds. People frequently believe that the underwater environment is silent. In fact, a wide variety of marine organisms use sound for mating, reproduction, and hunting.
A hydrophone array consists of several hydrophones positioned in predetermined areas. These hydrophones may be moored in a vertical line in the water column, placed in a line on the seafloor, or towed in a line behind a boat or ship, for example.
Piezoelectric materials are used to make the majority of hydrophones. When subjected to pressure changes, this material generates minute electrical charges. A piezoelectric element is capable of sensing the pressure alterations brought on by a sound wave.
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what's 1 thing that all viruses have in common is that they contain genetic material called
Answer:
All viruses contain genetic material. This material can be in the form of DNA or RNA, and it is responsible for the replication of the virus.
Explanation:
Give me brainliest if I helped!
Which steps in this exercise re-created the translation stage of protein synthesis?
Step 5 and 6 are the steps of translation in which protein synthesis
What procedures are involved in translating proteins?Protein Synthesis's Translational Stages
Ribosomal subunits bind to mRNA to begin. The ribosome extends the mRNA molecule, joining the amino acids to create a polypeptide chain. Reaching a stop codon causes protein synthesis to end and the ribosome to be released.
The tRNA anticodon attraction and formation of amino acids sequence are step 5 and step 6 in which protein is synthesized.
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5 questions to a environmental science project bug vacuum
A tool made to catch insects is a bug vacuum. A bug vacuum can be used to draw insects in and capture them, limiting their escape. This device is marketed as an alternative to utilizing poisonous sprays. Bug vacuums are not just effective but also risk- and toxin-free.
5 questions related to a bug vacuum project: How can a bug vacuum be created for a science project?What does vacuuming accomplish in project?Are ants vacuumable in project bug vacuum?Can you avoid pests by vacuuming in this project?What are some uses for vacuum techniques in our everyday life?Questions with answer
How can a vacuum be created for a science project?Making a Science Bug Vacuum Experiment
Water should be put into a container.
Add a few drops of food coloring to the watercolor to give it color.
In the middle of a dish or plate, carefully place and light a candle.
Circulate the candle with the colored water.
Over the candle's top, place an empty, clear glass.
What does vacuuming accomplish in project?They are mostly used to remove dust and debris from laminated floors, hardwood floors, carpets, velveteen furniture, and upholstery. Cars and stairs are also cleaned using them. Vacuum cleaners come in a variety of types depending on their functions.
Are ants vacuumable in project bug vacuum?If ants are gathered in a single line or concentrated in the same place for some reason, a vacuum is an efficient technique to get rid of them. They can easily be eliminated by running the vacuum over them. Everything there was simple. Actually, the most crucial aspect of your duty is getting rid of the ants.
Can you avoid pests by vacuuming in this project?It takes more than just a quick task to maintain a house clean to vacuum the carpets. Additionally, it might help deter pests. Even though vacuuming by itself won't keep bugs out of your home, it's a crucial step in keeping them under control and avoiding a full-blown infestation.
What are some uses for vacuum techniques in our everyday life?Vacuum technology is used in a variety of products, including those used on a daily basis. Examples include the freeze-drying or vacuum packaging of food, coating of PET lemonade bottles to prevent the loss of carbon dioxide gas, coating of architectural glass to prevent the loss of thermal energy, and recycling of mercury from batteries or other electronic devices.
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Why do you think sea otters are important to kelp forest
Sea otters are important to kelp forest because they consume invertebrates such as sea urchins and others that feed on giant kelp.
Write a short note on sea otters.A keystone species is one whose impact on its environment is greater than that of other species. Sea otters fall into this category. Sea otters are the top predators in these habitats, which include kelp forests, embayment, and estuaries, and they are essential to preserving the ecosystems' delicate balance. Sea urchins might overrun the ocean floor without sea otters and eat the kelp forests, which many other marine species rely on for shelter and food. As kelp absorbs and sequesters carbon, sea otters indirectly contribute to lowering atmospheric carbon dioxide levels by preserving healthy kelp forests, which is a common greenhouse gas.
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What was Lincoln's position on the issue of suffrage for African Americans?
A.
Only African Americans in the North should vote.
B.
No African Americans should be able to vote.
C.
All African Americans should be able to vote.
D.
Only some African Americans should be able to vote.
Lincoln’s position on the issue of suffrage for Blacks was that only some Blacks should be able to vote.
Abraham Lincoln’s standpoint on suffrage for Blacks is answer D.
Answer:
Only some African Americans should be able to vote.
Explanation:
Glucose and fructose are monosaccharides that have the same chemical formula, C6H12O6. However, they do not react the same chemically. Which of the following generalizations can explain this? (5 points)
Monosaccharides serve different cellular functions, and they are only involved in reactions in which they are needed.
The atoms of monosaccharides are arranged differently, and the different shape gives each monosaccharide unique properties.
Monosaccharides have different properties, but the disaccharides they form when combined with other molecules will have the same properties.
The atoms of monosaccharides are arranged similarly, but the monomers from which they are formed have different physical and chemical properties.
The monosaccharides glucose and fructose have the same chemical formula, C6H12O6, but they do not react chemically in the same way because their atoms are organized differently, giving each monosaccharide its own special features.
What are monosaccharides?
Monosaccharides are typically crystalline solids, colorless, and soluble in water. Only a small number of monosaccharides have a sweet flavor, despite their name (sugars). The formula for most monosaccharides is CnH2nOn.
Monosaccharides include galactose, glucose (dextrose), and fructose (levulose). Disaccharides (like sucrose and lactose) and polysaccharides are constructed from monosaccharides (such as cellulose and starch). In common usage, table sugar is a disaccharide called sucrose that contains one molecule of each of the two monosaccharides D-glucose and D-fructose.
Hence, the correct answer is: The atoms of monosaccharides are arranged differently, and the different shape gives each monosaccharide unique properties.
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Which element is most likely to give away electrons?
A. lithium
B. oxygen
C. xenon
D. chlorine
The element that is most likely to give away electrons is lithium (option A).
What is a metal?A metal is a number of chemical elements in the periodic table that forms a metallic bond with other metal atoms.
Metals are generally shiny, somewhat malleable and hard and often a conductor of heat and electricity.
However, metals are known to donate electrons to nonmetals when involved in chemical reactions to form ionic bonds.
Lithium is a simple alkali metal in group 1 and the third lightest chemical element with symbol Li, therefore, it is the element that is most likely to lose electrons.
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A simulation is run exploring the random motion of particles and its role in diffusion. At the start of the program, there are 20 blue spheres on one side of the membrane and 10 red spheres on the other side. After a period of time, the distribution of spheres reaches an equal number independent of each other, so that there are 10 blue spheres and 5 red spheres on either side of the membrane. What evidence suggests that diffusion results in a dynamic equilibrium across the membrane?.
According to the facts, diffusion produces a dynamic equilibrium across the membrane, where the red and blue spheres continue to move in opposite directions.
Diffusion produces a gradient in which molecules and atoms move from one concentration to another. Essentially, it is a procedure designed to preserve equilibrium. The process continues to ensure that there is equal concentration everywhere.
For further explanation, see the image below that has been attached:
The blue spheres are more prevalent on the left side of the first diagram, while the red spheres are more prevalent on the right side.
20 blue spheres are on the left and right sides of the diagram in the question, and 10 red spheres are on the right side. Because the colored spheres are not distributed equally on the two sides of the membrane, some blue spheres will move from the left side (where there is a higher concentration) to the night side (lower concentration).
Additionally, a few red spheres will move from the left side's lower concentration to the night side's higher concentration in order to achieve an equal distribution of red and blue spheres on both sides.
Seek out the second diagram in the question where arrows indicate a change in concentration from higher to lower.
On the left, there are a total of 20 blue spheres. Therefore, 10 blue spheres from the left side of the spheres will move to the night side to achieve equal distribution.
On the right side, there are a total of 10 red spheres. Therefore, five red spheres on the right side of the board will move to the left, distributing the spheres equally.
The second image in the question provides an illustration of the aforementioned distribution.
Look for the arrows that depict the spheres moving.
The atoms and molecules are now free to move, which means they might once more result in a loss of equal concentration. In order to maintain an equal number of red and blue spheres on both sides, the red and blue spheres will therefore move continuously.
On the third diagram, look for the arrows. It demonstrates that both the right and left sides of the blue molecules or atoms are moving. Red spheres are also moving to maintain equal concentration, Similarly, this leads us to the conclusion that even when the red and blue spheres are in equilibrium, they are still moving to the ether side. Thus, despite being in equilibrium, the red and blue spheres continue to move in opposite directions.
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Organelles often interact to carry out vital functions within the cell or even between cells. The cells shown in the image contain important molecules known as hemoglobin, which plays a role in the transport of other important substances.
How do organelles interact in the production and use of hemoglobin found in these cells?
Answer:
Hemoglobin is produced by ribosomes and transports oxygen so the mitochondria in other cells can carry out cell respiration.
Explanation:
Hemoglobin is a protein, and while it's synthesis is complicated, most of the synthesis of the protein is done by ribosomes.
Increased algae blooms can come from which of the following?
O High nutrient levels
O Low nutrient levels
O Low oxygen levels
O Less fish
Answer:
High levels of phosphorus.
Increased algae blooms can come from high nutrients level. Thus, the correct option for this question is A.
What do you mean by Algal bloom?Algal bloom may be defined as the process of rapid accumulation of algal population in freshwater or marine water systems. This can be stimulated by the water which contains nutrients like nitrogen and phosphorus.
This nutrient-rich condition provokes the excessive growth of free-floating (planktonic) algae. This is known as an algal bloom. An Algal bloom is responsible for the mortality of fish and the deterioration of water quality.
Therefore, increased algae blooms can come from high nutrients level. Thus, the correct option for this question is A.
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Identify the blood vessels on this inferior-lateral view of a model brain showing blood supply.
The middle cerebral artery (MCA) is the internal carotid artery's greatest terminal branch. It flows through the Sylvian (lateral) fissure before continuing to the island of Reil in a posterosuperior direction (insula).
Which blood arteries deliver oxygen and nutrients to the brain?The carotid and vertebral arteries join to form the Circle of Willis at the base of the brain. This is a network of arteries that provides several routes for blood to give oxygen and nutrients to the brain. Major arteries emerge from the Circle of Willis and go to all areas of the brain.
Two sets of arteries supply blood to the entire brain: the internal carotid arteries and the vertebral arteries. The right and left vertebral arteries join to produce a single basilar artery near the base of the brain,
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For vaccination against mycobacterial diseases such as tuberculosis (intracellular pathogen), the most important facet of the immune response to be stimulated is:__________
BCG vaccination (for tuberculosis) induces an innate immune response.
Innate immunity is playing an important role in the host defense against the mycobacterium tuberculosis , and the first step in this process is recognition mycobacterium tuberculosis of by cells of the innate immune system.
CD4 T cells,which are part of innate immune system, play a substantial role in the cellular response to BCG, more specifically, a subset of CCR6+ CD4 T cells that have previously been implicated in protection against TB
So BCG vaccination activates the innate immune system and induces the changes in the pattern of histone modifications of specific genes in innate immune cells
The cytokines stimulated by BCG are IFNγ, IL2 and TNFα secreted by activated CD4+ T cells
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