The words Only genetics can explain inherited genetic variances. They were brought on by crossover and assortment during the meiotic development of sex cells and it is untrue that mutations are always bad. The transmission and expression of genes are influenced by a number of circumstances. This subject is called epigenetics. Another potential source of genetic diversity is the haphazard merging of sex cells. True, differences in genetic sequences are also caused by mutations.
A fundamental idea in genetics, genetic inheritance describes how traits are passed down from one generation to the next. Genetic inheritance happens as a result of DNA being handed from one set of parents to another during conception.To know more about genetics, visit:
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Relate two ways in which a scientific theory and a scientific law are similar
Both scientific laws and scientific theories are based on observations and experimental evidence.
Both will be rejected if if it cannot be made to adapt to the new findings or knowledge.
What are scientific theories?A scientific theory is a well-tested and well substantiated explanation of a natural phenomena that is widely accepted.
There are scientific theories which are commonly accepted today and they include:
big bang theoryatomic theorycell theoryquantum field theoryScientific theories are based on observations and experimental b and must be made to adapt to new knowledge or findings.
In conclusion, a scientific theory can be modified and expanded on or be rejected if certain criteria are not met.
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where is atp synthesized in photosynthesis?
Answer:
During photosynthesis in plants, ATP is synthesized by ATP synthase using a proton gradient created in the thylakoid lumen through the thylakoid membrane and into the chloroplast stroma.
How to create rain?
The answer is HIGH, COLD,LOW
The answer should be cold
You measured the absorbance of a dilute solution of indigotine at the same intervals across the spectrum and you blanked the spectrophotometer at each wavelength prior to measuring the absorbance of the dye sample. Why?
At each new wavelength, the spectrophotometer was "blanked" to ensure that measurements of the absorption of water and cuvette did not conflict with those of the dye.
Since the water and cuvette likewise ingest light, the spectrophotometer won't gauge their retention, it is essential to "clear" the gadget prior to estimating an example's retention at each new wavelength.
Since the stretch chosen was great for estimating the arrangement due to having high absorbance esteem, the ingestion of indigotin arrangement was estimated at similar spans.
To permit the instrument to zero out these foundation readings and just report values for the build of interest, spectrophotometers are likewise adjusted utilizing a "clear" arrangement that we set up that contains the parts of the answer for be all dissected however not the one build we are trying for.
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The idea of evolution has been tested repeatedly and has much evidence to support that life changes over time. The idea of evolution is a
hypothesis
theory
observation
Answer:
theory
Explanation:
observation leads to hypothesis which leads to theory
Explain how the sodium/potassium exchange pump in the axon of neurons
maintains polarity. (2 marks)
Explain why polarity in an axon is necessary.
The sodium-potassium pump maintains cell polarity by moving ions in and out against their concentration gradient, thus maintaining a negative electrical voltage within the cell.
What is the sodium/potassium exchange pump?The sodium/potassium exchange pump is necessary for the exchange of potassium ions for sodium ions, this will be found in the cell membrane and will help maintain the functioning of the cell and the body in general. This process of exchanging sodium for potassium is going to be done against its concentration gradient, since this is impossible by cell media alone, since it is an unfavorable process for the cell, it is going to be necessary to spend energy in the form of ATP, hydrolyzing it, releasing the energy found in its bonds.
Therefore, we can confirm that the sodium-potassium pump maintains cell polarity by moving ions in and out against their concentration gradient, thus maintaining a negative electrical voltage within the cell.
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Which of the following should not occur when you quote four or more lines from a character's speech in the body of an essay?
Cite the lines
Introduce the lines
Indent the lines
Underline the lines
Underline the lines should not occur when you quote four or more lines from a character's speech in the body of an essay.
What is character's speech?
The mannerisms and speech patterns of the character—shy and reserved, forceful and forthright, sly, humorous—also reveal something about that person's personality. Without using stereotypes, the character's social and ethnic background is reflected in both the speech's substance and delivery. If a character is verbally incapacitated, that should say something.
The character, according to the urban dictionary, can refer to either mental and moral virtues or a lack thereof, or it might be a figure in a play's act. Although the term "character" is frequently used, it should be noted that given the current political context, it is now more frequently used in a derogatory manner.
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Someone, Please Help me with this table
The complete table of the biological molecules and their functions are given below:
Simple Carbohydrates
Elemental Make Up: Carbon, hydrogen, Oxygen
Basic Structure: Cyclic compounds
Monomer: Glucose, Galactose
Function(s): Provides energy
Examples in the human body: Glucose, Galactose
Complex Carbohydrates
Elemental Make Up: Carbon, hydrogen, Oxygen
Basic Structure: straight and branched chains
Monomer: Glucose
Function(s): structural molecules, energy storage
Examples in the human body: glycogen
Lipids (Fats)
Elemental Make Up: Carbon, hydrogen, Oxygen
Basic Structure: straight chains
Monomer: Fatty acids and glycerol
Function(s): structural molecule, energy storage
Examples in the human body: cholesterol, sphingolipids
Proteins
Elemental Make Up: Carbon, hydrogen, Oxygen, Nitrogen, Sulfur
Basic Structure: linear peptides
Monomer: amino acids
Function(s): enzymes, hormones, transporters
Examples in the human body; Insulin, catalase
Nucleic Acids
Elemental Make Up: Carbon, hydrogen, Oxygen, Nitrogen, Phosphorus
Basic Structure: Linear chains
Monomer: thymine, uracil, cytosine, guanine, adenine
Function(s): stores genetic information
Examples in the human body: DNA, RNA
ATP
Elemental Make Up: Carbon, hydrogen, Oxygen, Nitrogen, Phosphorus
Basic Structure: three-dimensional molecule
Monomer: ATP
Function(s): energy molecule
Examples in the human body: ATP in muscles
Water
Elemental Make Up: Hydrogen and oxygen
Basic Structure: trigonal pyramid
Monomer: water
Function(s): main component of cytosol
Examples in the human body: in interstitial fluid
What are biological molecules?Biological molecules are basic molecules found in living organisms.
Biological molecules are important structural and metabolic molecules in the body.
The main biological molecules include:
Simple CarbohydratesComplex CarbohydratesLipids (Fats)ProteinsNucleic AcidsATPWaterIn conclusion, biological molecules are the molecules of life.
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A team of scientists and engineers is working together to develop a new cleaning product. The team has identified a species of bacteria that gets energy by breaking apart lipids and oils. The team wants to isolate the key substance that the bacteria use for this process, and then adapt the substance for the new cleaning product. Which macromolecule should the team try to isolate from the bacteria?
Answer:
A protein that specifically binds liquids or oils.
Which piece of information provided the stimulus for the shift from traditional classification to modern classification? An understanding that organisms have not changed over time
Answer:
BRO WE GANSTA
Explanation:
1. Not based on logic or logic is exaggerated
a. science
b. pseudoscience
2. Results can be reproduced by others
a. science
b. pseudoscience
3. Explanations generally are not testable
a. science
b. pseudoscience
Answer:
1pseudoscience
2science
3pseudoscience
During the recovery from exercise, explain the
interrelationships between the three energy
systems
Answer:
During the recovery from exercise, the three energy systems work together to replenish the body's energy stores. The anaerobic energy system produces ATP through the breakdown of glycogen, while the aerobic energy system uses oxygen to produce ATP. The third energy system, the phosphagen system, provides ATP for short bursts of energy.
Explanation:
Give me brainliest if that helped!
Which of the following substancces does NOT bioaccumulate and, therefore, is NOT biomagnified through a food chain in the environment?
A. DDT
B. mercury
C. lead
D. oxygen
The substance that does not bioaccumulate and therefore, is not bio-magnified through a food chain in the environment is oxygen (option D).
What is biomagnification?Biomagnification is the process, in an ecosystem, in which a higher concentration of a substance in an organism is obtained higher up the food chain.
The contaminants that can be bio-magnified in a polluted environment are usually heavy metals such as mercury, arsenic, and pesticides such as polychlorinated biphenyls and DDT.
Oxygen is a naturally occurring gas that is beneficial in the environment, hence, does not bioaccumulate in living organisms as it is readily used.
Therefore, oxygen does not bioaccumulate and biomagnify through a food chain in the environment.
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Attached earlobes are a recessive trait in humans. In the tree below, people
with attached earlobes are shaded in. Which best describes the person
labeled X in the tree
A male with one recessive allele is the correct answer.
What do you mean by recessive allele:
Earlobes of this kind are tiny and fastened firmly to the side of the head. The lack of the dominant allele in the chromosomes is what causes this type of lobe to form structurally. An connected earlobe is expressed by the recessive allele.
The children from this generation are the result of a cross between homozygous recessive (one parent) and heterozygous (two parents) parents. All of the filial 1 (one) generation's kids will therefore carry a recessive allele. The attached earlobe trait won't be present in people with the same dominant allele, though.
Having an attached earlobe a dominating human characteristic?Some people's ear lobes are free, whereas others have them linked to the side of the head. This is caused by a gene that is recessive in people with attached earlobes and dominant in people with detached earlobes. Therefore, in humans, attached ear lobes are recessive.
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Choose
an animal that interests you.
Explain how you know that this
organism is an animal.
Explanation:
Elephant:- warm blood and bulky in mass have visible ears, are property of Mammel, Mammel is branch of animal
Identify the following as radiolarians, foraminiferans, or both, using the following key (use the letters in the blanks to answer the questions):
R = Radiolarians
F = Foraminiferans
RF = Radiolarians and foraminiferans
- These have endoskeletons composed of silicon dioxide.
-Globigerina sp. is an example.
- These have colorful shells composed of calcium carbonate.
-Fossil species of these are helpful in correlating the age of geologic strata.
-These have threadlike, branched pseudopods.
- Stylatractus sp. is an example.
-These are fossil species that form limestone.
- Sediment of these organisms can be greater than 4,000 meters thick.
- These have thin, stiff pseudopods.
- These are found in marine environments.
Radiolarians are protozoans of the phylum Actinopoda. They have tapering pseudopods that protrude like lightning around the cell. All radiolarians are marine. While heliozoans are marine or freshwater.
What are the characteristics of foraminifera?Foraminifera are unicellular organisms that are distinguished from protozoa by having a network of filamentous pseudopods and a carapace (called testa) of variable composition and complexity, in which a cytoplasm provided with one or more nuclei is housed.
RF- They have endoskeletons composed of silicon dioxide.
F-Globigerin sp. it is an example.
R- They have colored shells composed of calcium carbonate.
F- Fossil species of these are useful to correlate the age of geological strata.
F-They have branched and filiform pseudopods.
R-Stylatractus sp. it is an example.
FR-These are fossil species that form limestone.
A- The sediments of these organisms can be more than 4,000 meters thick.
A- These have thin and rigid pseudopods.
FR- These are found in marine environments.
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Give 3 examples and explain how intelligence is based on Nature.
Homologous traits are those with a similar structure and function derived from a common ancestor. Analogous traits represent adaptations to a similar environment but from distantly related organism. Consider the structure and function of the flagella found on eukaryotic and prokaryotic cells. Are the flagella an example of a homologous or analogous trait? Defend your answer.
Answer:
Analogous trait
Explanation:
In which part of the cell do ribosomes perform protein synthesis? (1 point)
O nucleus
O vacuole
O cytoplasm
O lysosome
Answer:
nucleus
Explanation:
in eukaryotes, ribosome get their order for protein synthesis from the nucleus
Describe the following spheres of the Earth.
1. Geosphere
2. Biosphere
3. Atmosphere
4. Hydrosphere
Explanation:
1. Geosphere
Geo means “earth.” The Earth’s geosphere (sometimes called the lithosphere) is the portion of the earth that includes rocks and minerals. It starts at the ground and extends all the way down to Earth’s core.
We rely on the geosphere to provide natural resources and a place to grow food. Volcanos, mountain ranges, and deserts are all part of the geosphere.
2. Biosphere
Bio means “life.” The biosphere is made up of all the living things on Earth and it includes fish, birds, plants, and even people.
The living portion of the Earth interacts with all the other spheres. Living things need water (hydrosphere), chemicals from the atmosphere, and nutrients gained by eating things in the biosphere.
3. Atmosphere
Atmos means “air.” The atmosphere includes all the gases surrounding the Earth. We often call the atmosphere “air.” All planets have an atmosphere, but Earth is the only planet with the correct combination of gases to support life.
The atmosphere consists of five layers and is responsible for Earth’s weather. Even though it seems like air is made of nothing, it consists of particles too small to be seen. All these particles have weight that push down on Earth. The weight of air above us is called air pressure.
4. Hydrosphere
Hydro means “water.“ The hydrosphere includes the oceans, rivers, lakes, groundwater, and water frozen in glaciers. 97% of water on Earth is found in the oceans. Water is one of the most important substances needed for life and makes up about 90% of living things. Without water, life would not be possible.
Where does an organization's culture originate?
The organizational culture shared the social knowledge with the other organization but with in the limits of rules and regulations.
Where does an organization's culture originate?
Organizational culture shared the social knowledge with the other organization but in the limits of rules and regulations and also with the attitude behaviour of the employee.
The aim of the organization culture is to shared believe, norms, values and also includes the practicing because the practicing characterize or organize an organization. There are many sources of the organization culture but the most important sources of the organization culture includes the property rights according to employees, structure of the organization, organizational ethics and many more sources. The organization culture actually comes from the founder of the company.
So we can conclude that the organizational culture shared the social knowledge with the other organization but with in the limits of rules and regulations.
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Another student thinks a constant should be the speed that the skateboard travels. Is this correct? Explain.
A student thinking that a constant should be the speed that the skateboard travels is not correct.
What is Speed?This is referred to as the rate of change of position with time and the unit is meter per second (m/s).
Speed = distance/time
For a body to have a constant speed, then it means that the sum of all the external forces acting on it is zero. This isn't possible because the numerous forces such as friction, drag etc won't always equal zero which therefore means the student's reasoning is false and not correct and is the most appropriate choice.
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Distinguish between descriptive, correlational, and experimental research
The goal of descriptive research is to offer a snapshot of the existing situation. Finding relationships between variables is the goal of correlational research. Experimental studies aim to evaluate cause and effect.
What is the research about?A population's or phenomenon's characteristics are described through descriptive research. It does not provide an explanation for when, how, or why the features developed. Instead, it answers the "what" query.
With a correlational research design, correlations between two variables—or more—are examined without any of the variables being under the researcher's direct control or manipulation. It is a form of quantitative study that is not experimental.
A study that carefully follows a scientific research strategy is called experimental research. It consists of a hypothesis, a controllable variable, and variables that can be measured, calculated, and compared. Most crucially, controlled environments are used to conduct experimental research.
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Why is active transport necessary for cells?
A. because diffusion is a very slow process
B. because only so many molecules can participate in diffusion per day
C. because sometimes molecules can't get through the cell membrane on their own
Answer:
C Because some molecules can't get through the membrane on their own
Six images of organisms are below.
Drag and drop each organism to place them in the correct order of succession, from first to last, in an area consisting mostly of rock.
A
First: D
F
B
C
Last: E
Answer:
C or B
Explanation:
I don't know the answer but Hope it's help ◉‿◉
Some students grew sunflower plants in their school's biology laboratory. The following table and graph show the conditions and results of the experiment after three weeks. Use this information to answer the following questions.
Your question is incomlete
The question is incomplete, please refer below for complete question along with their answers (attaching a picture for the results of the experiment also):
1. Explain if it was controlled experiment?
A. Yes, the given experiment is a controlled experiment, that is, it has an experiment group and a control group.
2. Define a probable hypothesis for the experiment along with stating the variables.
Hypothesis: Different wavelength of light affects the growth of plants. Independent Variable: color of lightDependent Variable: Plant Growth3. Name the experimental subjects?
A. Plant A and Plant B.
4. Name the control.
A. Plant C because it is kept in standard lighting conditions (i.e. white light).
5. List the names of the controlled variables in the given experiment?
A. Temperature, humidity, and water.
As stated in the question, the entire process is an experimental setup where tests are being done to see how well plants thrive in a regulated environment. The different variables, including temperature, humidity, and water are fixed. After three weeks under these regulated conditions, several plants display different growth.
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Explain why some areas that are surrounded by land (such as the Red Sea) experience a lower pH value overall than the open ocean in genera
Due to the dissolving of minerals carrying hydrogen ions into the water body, some places that are surrounded by land generally have a lower pH than the open ocean.
Why do some places with a land border have a lower pH value?
The hydrogen ion concentration in a medium is determined by that medium's pH.While a high pH indicates a low hydrogen ion concentration, a low pH indicates a high hydrogen ion concentration.Due to the existence of minerals with a high concentration of hydrogen ions, areas that are surrounded by land have low pH levels.The breakdown of minerals carrying hydrogen ions into the water body causes some locations that are surrounded by land to have a lower pH value generally than the open ocean in general.
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Which of the following occur during mitosis? (Check all that apply.)
A. Cell function slows down
B. The cell divides
C. Chromosomes divide into two groups
D. DNA replicates
E. Proteins are synthesized
Mitosis refers to the cell division process that suffers each diploid cell to produce two new daughter diploid cells. Options A, B and C are correct. A. Cell function slows down, B. The cell divides, C. Chromosomes divide into two groups.
What is mitosis?Mitosis is a cell division process through which a diploid somatic cell or germ cell (2n), produces two daughter diploid cells (2n).
Before mitosis, the whole-cell first suffers duplication of its content during the interphase. Then, mitosis occurs, and then it separates during cytokinesis.
Mitosis occurs in somatic cells and in germ cells.
Options A, B and C are correct.
A. Cell function slows downB. The cell dividesC. Chromosomes divide into two groupsRemember that DNA replication occurs during the interophase, before mitosis.
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Answer:
CORRECT IS A B C
Explanation:
have a nice day.
how do immunizations work with viruses?
Answer:
immunisations can help protect against certain diseases by imitating an infection. This type of imitation infection, helps teach the immune system how to fight off a future infection. Sometimes, after getting a vaccine, the imitation infection can cause minor symptoms, such as fever. Such minor symptoms are normal and should be expected as the body builds immunity.
Once the vaccinated body is left with a supply of T-lymphocytes and B-lymphocytes that will remember how to fight that disease. However, it typically takes a few weeks for the body to produce T-lymphocytes and B-lymphocytes after vaccination. Therefore, it is possible that a person infected with a disease just before or just after vaccination could develop symptoms and get that disease, because the vaccine has not had enough time to provide protection. While vaccines are the safest way to protect a person from a disease, no vaccine is perfect. It is possible to get a disease even when vaccinated, but the person is less likely to become seriously ill.
What are two organisms in the food web that belong in the plant kingdom?
Answer:
They are cut off in the picture, but the plants in the bottom left and right are in the plant kingdom.
