Regeneration is the process by which an organism regrows lost or damaged body parts. This process can occur in both plants and animals.
Multiple fission, on the other hand, is a type of asexual reproduction that occurs in certain single-celled organisms, such as protozoa and some algae. During multiple fission, the organism's cell divides multiple times, resulting in the formation of many identical daughter cells. It is also known as schizogony or schizony.
In summary, regeneration is the process of regrowing lost or damaged body parts, while multiple fission is a type of asexual reproduction in which a single cell divides multiple times to produce many identical daughter cells.
Using the speed of light, calculate for the frequency of an electromagnetic wave with a wavelength of 835 nm.
URGENT!!!
In the Galapagos Islands, species of tortoises have been found on
different islands that cannot interbreed. They came from the same
tortoise ancestor, but over time they became separate species
because they were on different islands. Today there are a total of 9
different Galapagos tortoise species. Which type of isolation is
this?
Select one:
temporal isolation
episodic isolation
behavioral isolation
geographic isolation
Answer:
d. geographic isolation
Explanation:
Geographic isolation is the type of isolation that has occurred in the Galapagos Islands with the different tortoise species. This type of isolation occurs when a species is separated by a physical barrier, such as a mountain range, a body of water, or an area of land. In this case, the different islands of the Galapagos served as the physical barrier that separated the tortoises, preventing them from interbreeding and eventually leading to the development of separate species.
What do ligands receptor transduction do in cell to cell communication why it’s important
Answer:
In reception, a signal molecule known as the ligand binds to a receptor protein, which causes the shape of the protein to change. In transduction, cascades of intracellular molecular interactions occurs, and relay signals from receptors to target molecules in the cell.
Explanation:
Cell-surface receptors, also known as transmembrane receptors, are cell surface, membrane-anchored (integral) proteins that bind to external ligand molecules. This type of receptor spans the plasma membrane and performs signal transduction, in which an extracellular signal is converted into an intercellular signal.
Definition: Extracellular signalling molecules are cues, such as growth factors, hormones, cytokines, extracellular matrix components and neurotransmitters, designed to transmit specific information to target cells.
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The scientific study of fossils is
O stratigraphy
O meteorology
paleontology
geology
Question 6 of 20:
Select the best answer for the question.
6. What type of cell transport uses carrier proteins?
O A. Osmosis
O B. Facilitated diffusion
C. Passive diffusion
O D. Active transport
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The type of cell transport that uses carrier proteins is called "facilitated diffusion," which is in Option B, as here in the transportation process, energy is not used but the movement of the molecules is facilitated.
What is "facilitated diffusion"?Facilitated diffusion is a type of passive diffusion in which no energy is used and molecules pass through the cell membrane along a concentration gradient, but the movement is aided by the presence of a carrier protein in the cell membrane.
Hence, the type of cell transport that uses carrier proteins is called "facilitated diffusion," which is in Option B, as here in the transportation process, energy is not used but the movement of the molecules is facilitated.
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How can typologies assist us in becoming more objective observers of human behavior?
Answer:
see below and make me brainiest
Explanation:
Typologies are a way of sorting and organizing data in order to analyze patterns and trends in human behavior. Typologies can help us to become more objective observers of human behavior by providing a framework for collecting and organizing data that is more precise and structured than general observations. Typologies help us to identify patterns and relationships between different variables, which can then be used to make more informed decisions and develop more accurate theories. In addition, typologies can also help us to identify potential sources of bias and errors in our observations, allowing us to adjust our methods and correct our mistakes.
URGENT!!!!! HELP! LIMITED TIME!!!!!!!!!!!!
Scientists discover two populations of mice on either side of a major river.
The two populations have almost identical genes, but the mice from one side cannot breed with the mice from the other.
This is most likely because
Select one:
A. both species of mice lived on both sides but owls killed one
population on each side
B. the river separated one species of mice into two different species.
C. the similar habitat caused two species to become genetically
similar
D. two different species of mice migrated to the river from different directions
The answer to this question is: The most likely option for the mice to not breed is option (B) which is the river separated one species of mice into different species
The explanation of the above answer is as follows
The two populations having identical genes cannot breed because the river becomes the environmental barrier. There is no way for the mice to cross the river to the other side. Due to this reason, there is reproduction isolation for the mice. Therefore, the river separated one species of mice into two different ones and became the environmental barrier.
The volume of a sphere is given by the formula 4r3/3. The surface area of a sphere is
given by 4 2. The surface area to volume ratio of a sphere of diameter 2.6 mm is
Answer:
The surface area to volume ratio of a sphere of diameter 2.6 mm can be calculated using the formulas for the volume and surface area of a sphere. The volume of a sphere is given by the formula 4πr3/3, where r is the radius of the sphere. The surface area of a sphere is given by 4πr2. In this case, the radius is 1.3 mm (half of 2.6 mm), and the surface area to volume ratio is 4π(1.3 mm)2/4π(1.3 mm)3 = 3/2π.
Explanation:
The volume of a sphere can be calculated using the formula V = 4/3 * π * r^3, where V is the volume and r is the radius of the sphere.
The surface area of a sphere can be calculated using the formula A = 4πr^2, where A is the surface area and r is the radius of the sphere.
Given that the diameter of the sphere is 2.6 mm, we can calculate the radius by dividing the diameter by 2:
r = 2.6 mm / 2 = 1.3 mm
Now, we can calculate the volume of the sphere using the formula:
V = 4/3 * π * (1.3 mm)^3
We can also calculate the surface area of the sphere using the formula:
A = 4π * (1.3 mm)^2
The surface area to volume ratio (SA:V) of a sphere is the ratio between the surface area and the volume. To calculate the SA:V ratio of the sphere, we divide the surface area by the volume:
SA:V = A/V
It's important to note that the ratio will be dimensionless because surface area and volume both have units of length cubed, thus canceling each other out in the ratio.
Hello so I am having a bit of trouble with the understanding of the punnet square, if any would could look at this photo and tell me which letters should be used that would mean a lot to me, thank you.
Answer:so basycally
Explanation: melanin make people diferents color so the asnwer should be albino cause makes change skin color
Name_________________________________________Date____________________Per______
Using Fruit Loops to Model Types of Natural Selection
In this investigation you will use pieces of Fruit Loops cereal to model a population of organisms. Like all populations, these "organisms" exhibit natural variation. The main variation you will be studying is color. The color trait in Fruit Loops is polygenic, and is controlled by three genes (red, yellow, and blue). After establishing your initial population, you will be presented with a series of different environmental scenarios that will cause your population to change as a result of natural selection.
You will be given a population of organisms (a bag of cereal). DO NOT EAT THE SAMPLES. Observe the organisms and answer the pre-lab questions.
Pre-lab Questions
What is the most obvious variation that is visible in your Fruit Loop population? _________________________
Look at the Fruit Loops. Do you think this variation is caused by a polygenic or single gene trait? Explain.
Three color variations (red, yellow, and blue) exist on their own. Green, orange, and purple, however, are made when two different color Fruit loops mate! Fill in the blanks on the mating combinations that make the following colors. (You will need this information!!)
_________________ + _________________ = Green
_________________ + _________________ = Orange
_________________ + _________________ = Purple
For each type of natural selection we have learned, write what happens to the population. (Take a look back at your notes if you don’t remember!)
Type of Natural Selection
How it changes a population/which trait is favored
Stabilizing
Directional
Disruptive
Answer:
Hope this helps :)
Explanation:
What is the most obvious variation that is visible in your Fruit Loop population? ____Different colored Froot Loops
___Blue___ + _Yellow = Green
___Yellow__ + __Red_ = Orange
____Red_ _ + __Blue_ = Purple
How it changes a population/which trait is favored
STABILIZING
Instead of favoring individuals with extreme phenotypes, it favors the intermediate variants. Stabilizing selection tends to remove the more severe phenotypes. This means it would probably favor green, orange, and purple while disfavoring red, yellow, and blue.
DIRECTIONAL
Directional selection, is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype. Under directional selection, the advantageous allele increases as a consequence of differences in survival and reproduction among different phenotypes. The increases are independent of the dominance of the allele, and even if the allele is recessive, it will eventually become fixed. This means that whichever color is more extreme and advantageous, whether recessive or dominant, will eventually become fixed in the species.
DISRUPTIVE
This is the opposite of stabilizing selection. It favors the extreme phenotypes and tends to remove the intermediate variants. This means it would probably do the opposite of stabilizing selection and favor red, yellow, and blue while disfavoring green, orange, and purple.
Label the figure below with the correct descriptions regarding the growth of nature preserves.
The nature preserves show us the nature tends to preserve itself.
What is the growth of nature preserves?The "growth of nature preserves" is a phrase that refers to the idea that nature has a self-sustaining balance, where growth in one area leads to preservation in another. The idea is that as plants and animals grow, they contribute to maintaining the overall health and stability of the ecosystem.
For example, as trees grow, they provide habitats for wildlife, and as plants absorb carbon dioxide, they help regulate the Earth's climate. This concept highlights the interdependence of different species and the importance of preserving the balance of nature.
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Which of the following statements about bacteria is correct?
Bacteria:
A. Are present on the skin of healthy people
B. Are only present on the skin of sick people
C. Are found mostly in warmer climates
D. Cannot cause disease in humans
Answer: A
Explanation:
A. Are present on the skin of healthy people.
Bacteria are found everywhere, and they can be on the skin of healthy and sick people. Bacteria can cause disease in humans, although not all bacteria do.
The term ______ refers to all chemical reactions occurring in the body.
respiration
assimilation
digestion
metabolism
Answer: metabolism
Explanation:
Many people think that metabolism is just the process of creating energy, but it is so much more than that. However, any chemical process that occurs in the body with the idea of being life-sustaining is considered metabolism. The rate of metabolism varies from person to person, with some people having faster metabolism than others.
The term metabolism refers to all chemical reactions occurring in the body. Therefore, option D is correct.
Metabolism contains a wide range of processes involved in the conversion of nutrients into energy, the synthesis of molecules needed for cellular activities, and the breakdown of substances for elimination.
Metabolism is of two types and that is anabolism and catabolism. Catabolic reactions involve the breakdown of larger molecules into smaller ones, releasing energy in the process. Anabolic reactions involve the synthesis of larger molecules from smaller components, requiring energy input.
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what are 3 characteristics that distinguish organism from non living things under a microscope? please help i need 3, thanks
They grow, take in nutrients that means food and water, and reproduce, which implies that they make more living things like themselves, whereas on-living things do not grow, need nutrients, or reproduce.
3 Think back to Activity 1.1, where you grew some seedlings in the dark. What happened to the chlorophyll in them?
Explanation:
If some seedlings are grown in dark, there is no space for the sunlight to penetrate. in this case, the seedling has the least amount of chlorophyll in them and ultimately they couldn't prepare their own food and resulting in a bad impact on the seedling.
What are two basic differences between DNA and RNA?
RNA is usually single stranded, while DNA is usually double stranded.
RNA contains uracil, while DNA contains thymine.
RNA is usually double stranded, while DNA is usually single stranded.
RNA contains thymine, while DNA contains uracil.
RNA doesn’t contain cytosine, while DNA doesn’t contain adenine.
Reset Next
Answer:
1. RNA is usually single stranded, while DNA is usually double stranded.
2. RNA contains uracil, while DNA contains thymine
Explanation:
How does someone become a carrier for sickle cell anemia
Answer:
They inherit one copy from one parent
Explanation:
I did the edpuzzle lol
What is the name of the tissue that lays on top of the heart
URGENT!
Natural selection is a mechanism that acts on individuals within a
population. Which is a result of the process of natural selection?
Select one:
O Genetic similarity within the population increases.
O The population as a whole is better adapted to the environment.
O The reproductive rate of the population decreases.
O Adverse changes to the environment become more frequent.
Answer:
The population as a whole is better adapted to the environment.
Explanation:
A population's members can be affected via the mechanism of natural selection. It happens when certain features or population differences provide some people a survival and procreation edge. Since these people are more likely to pass on their favorable qualities to their progeny, the population's proportion of people with these features rises over time. The population as a whole improves its environmental adaptation as a consequence.
It's important to note that genetic similarity within a population grows due to other processes other than natural selection, such as founder effect, inbreeding, or genetic drift. Furthermore, while the population's reproduction rate may decline, this is not necessarily due to natural selection. Likewise, adverse environmental changes that occur more frequently are not always caused by natural selection.
Which pH represents a solution with the highest concentration of OH-? ph 10 pH 2 ph 5
Answer:
A pH of 10 represents a solution with the highest concentration of hydroxide ions (OH-).
Explanation:
The pH scale is used to measure the acidity or basicity of a solution, with a pH of 7 being neutral. A pH less than 7 is considered acidic and a pH greater than 7 is considered basic. The pH is calculated using the negative logarithm of the hydrogen ion concentration (H+). So, a pH of 10 means that the H+ concentration is 10^-10 moles/L, which is very low. Therefore, the solution is very basic, and has a high concentration of hydroxide ions (OH-).
Which is an example of the Cognitive
Dissonance effect?
a. Diagnosing yourself of a medical illness and
only going to a doctor that confirms this
illness.
b. Telling friends to go on a diet you're on,
even though you don't understand how the
diet effects on the body and if it is even safe.
c. Claiming GMOs cause illnesses and/or
deaths and only getting your information
from vegan.org since it confirms your belief.
d. Ignoring information on vaccine safety
because it conflicts and is inconsistent with
your current beliefs.
(write your letter answer and
provide an explanation for your choice.)
d. Ignoring information on vaccine safety because it conflicts and is inconsistent with your current beliefs.
Cognitive Dissonance effect refers to the psychological discomfort that a person experiences when their beliefs or attitudes are in conflict with new information or behavior. In this case, the example given in option d, where a person ignores information on vaccine safety because it conflicts with their current beliefs, is an example of cognitive dissonance. This person is experiencing discomfort because the new information is inconsistent with their current beliefs, and they may be trying to reduce that discomfort by ignoring the information.
who was the first Indian astronaut
Answer:
Rakesh Sharma
Explanation:
Rakesh Sharma was the first Indian to go to space
Identify a difference between the covalent bonds withing a water molecule
Covalent bonding hold water together. The atoms share electrons in covalent connections. In water, oxygen is chemically joined to two hydrogen atoms. The oxygen and hydrogen atoms do not share the electrons equally.
Explain about the covalent bonds?One or more pairs of electrons from each atom are shared by the other atoms to form a covalent link. The two atomic nuclei are pulling these electrons in opposite directions. When the gap between two atoms' electronegativities is too narrow for an electron transfer to take place and form ions, a covalent bond is created.
An atom can establish covalent and ionic bonds, which are the two types of bonds that are most common. When two or more atoms are bonded together covalently, electrons are shared. When two or more ions join together, they form ionic bonds that are held together by the presence of opposing charges.
Sharing of electron pair between atoms is a component of covalent bonds. A nonpolar covalent bond is created when electron pairs from atoms with similar or equal electronegativity are shared.
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Reason Quantitatively:
The pedigree shows the original parents numbered 1 and 2. They had three children. Compare the numbers in the ratios you determined to the appearance of the trait in the pedigree. Why were Persons 11 and 12 lactose intolerant while Persons 8, 9, and 10 were not?
Based on the pedigree shown and the pattern of inheritance of lactose intolerance, Persons 11 and 12 were lactose intolerant while Persons 8, 9, and 10 were not because they are hom0zygous for the recessive allele for lactose intolerance while Persons 8, 9, and 10 are heterozygous for the recessive allele for the trait for lactose intolerance.
What is lactose intolerance?Lactose intolerance results from a person's inability to produce the enzyme lactase that breaks down the sugar lactose found in milk. Many adults experience lactose intolerance as they age and rely less on milk and dairy products as sources of nutrition. There is another rare form of lactose intolerance that affects infants from birth. A mutated version of the LCT gene that codes for the production of lactase exist as a recessive allele.
A lack of the body's lactase enzyme is the typical cause of lactose intolerance.
Abdominal cramps, bloating, and diarrhea is examples of symptoms.
Avoiding dairy products, using lactose-free goods, or using lactase tablets are the mainstays of treatment.
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how does thick hair help animals to survive
Answer: It helps animals adapt to their environment, either as a predator, or as a prey.
Explanation: Take the arctic fox for example. The snow-white fur that it possesses enables it to camouflage against the snowy terrain in which it lives. Despite the fact that the arctic fox is a predator, this ability of animals with camouflaged fur enables prey to hide and/or escape their hunters.
Not only this, but fur also helps many animals endure the cold weather, such as the polar bear. Hope that that was thorough enough!
1 Copy and complete the sentences using these words:
chromosomes DNA genes genetic information
gametes nuclei
resemble
Offspring___________their
to them in the
parents because of the
passed on
(sex cells) from which they developed.
This information is contained in the thread-like structures
called
that are inside the
threads are made of proteins and
found in small units called
of most cells. These
The information is
1 Copy and complete the sentences using these words:
chromosomes DNA genes genetic information
gametes nuclei
resemble
Offspring___________their
to them in the
parents because of the
passed on
(sex cells) from which they developed.
This information is contained in the thread-like structures
called
that are inside the
threads are made of proteins and
found in small units called
of most cells. These
The information is
ans: I don't know lol
What are your thoughts on the concept of citizen science, and what projects/activities from SciStarter caught your eye? Would you say you personally connect more with the idea of doing scientific research, doing citizen science, or none of the above? Why?
Answer:
Citizen science is an important concept that allows the public to participate in scientific research and contribute to the advancement of scientific knowledge. It can be a great way to engage people of all ages and backgrounds in the scientific process, and it can also provide valuable data and insights that might not be possible with traditional scientific methods. Some examples of citizen science projects that caught my attention on the SciStarter website include: "Project Nestwatch" which allows individuals to monitor the nesting success of birds and "Project Squirrel" which allows individuals to help track the distribution of different species of squirrels.As a language model, I do not have personal preferences, but I can say that citizen science offers a great opportunity for individuals to participate in scientific research, learn about scientific concepts, and contribute to the scientific community, regardless of their level of education or professional experience.
Explanation:
Which statement best explains how the viceroy's color pattern evolved?
(1) Dark wing patterns helped camouflage the viceroy so that birds could not find it.
(2) Natural selection favored the butterflies that were most similar to the monarch.
(3) Orange-colored viceroy butterflies learned how to avoid the birds.
(4) Viceroy butterflies have learned how to change their wing color.
The Viceroy's color pattern evolved because natural selection favoured them.
The viceroy butterfly camouflage the monarch butterfly and exhibit Mullerian mimicry where these two toxic species mimic each other for their benefit and by time natural selection favoured these.
What is natural selection?Natural selection is the process by which the reproductively fitest populations of living organisms survive, adapt and change.
What are Viceroy butterfly?The viceroy butterfly is a brush-footed butterfly having dark orange colour with black veins and row of white spots on the border of its wings.
What are Monarch butterfly?Monarch butterfly is same as that of the viceroy except that it has black horizontal stripes which cross the bottom of its back wings.
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Part B: Find Credible Sources
When writing a research paper, look for credible sources. Science doesn’t show bias, but humans do. Avoid sites and articles that provide facts without citing proper scientific evidence. You must be able to identify reliable sites so that the data in your research paper is credible.
Use sources that end in .gov. These government sites are reliable sources. You can also use sites ending in .edu. They’re generally trustworthy, but sometimes students, not scientists, write content for .edu websites. Always identify the source’s author before proceeding. Some .org and .com sites are credible, but it’s important to verify their authenticity. When reviewing a source, ask these questions:
Who authored the document?
Is the author a genetics expert?
What is the document’s purpose?
Does the document state facts that scientists can prove with evidence?
Does the document include opinions?
How old is the document?
Do other credible sources support the document’s statements?
Search for credible websites and note the information they contain. Write down two sources that you’ll use for your research paper, and cite them using Modern Language Association (MLA)
THIS IS ABOUT BULLDOGS
Always using information from credible sources is very important.
The point of view of a source, particularly any potential bias, is a crucial aspect of its credibility. A biased presentation of information is one that is unreliable or unfair. Research or information may be sponsored by an organization with a certain agenda, and this sponsorship may have an impact on the findings. Bias might sometimes occur accidentally.
Also If you are researching a cancer treatment and you use unreliable information without providing reliable identity or data and publish it in your paper, your paper will become very famous for that information because it was new. Therefore, it is imperative that you only use information from reliable sources. However, following studies by scientists revealed that this particular information is false and that the medicine may be lethal.
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How is cell theory related to mitosis and meiosis?
Answer:
Cell theory states that all living organisms are made up of cells, and that cells are the basic unit of life. Mitosis and meiosis are both processes of cell division, which are essential for the production of new cells. Mitosis is the process of a single parent cell dividing into two identical daughter cells, while meiosis is the process of two parent cells dividing into four daughter cells with half the number of chromosomes as the parent cells. Therefore, cell theory is related to mitosis and meiosis because both processes are necessary for the production of new cells, which is a fundamental part of the cell theory.
Explanation:
