Thunder without lightning is common.

True or False

Answer:

The answer is A. Animal deaths

Explanation:

Just got it right on my assignment hope this helps :)

Some frogs are slimy because they are covered in a mucous coating. This coating helps them keep their skin moist which helps them breathe through their skin. The mucous often contains other chemicals, like antibacterial or anti fungals to help protect the frog.

I hope this helps you

Amphibians are slimy due to their permeable skin and mucus glands, which help in respiration, moisture retention, and protection against predators. This slimy layer is essential for amphibians' survival in their wet habitats and plays a crucial role in their sensitivity to environmental changes. The mucus can also contain toxins to deter threats.

Amphibians, such as frogs, toads, salamanders, and newts, are known for their slimy appearance, which is a result of their unique skin properties. Their skin is permeable and contains mucus glands that secrete a moist layer of mucus. This moist layer is crucial for their survival as it helps in cutaneous respiration, allowing them to absorb oxygen and release carbon dioxide directly through their skin. Additionally, the mucus serves to keep their skin moist, protecting them from dehydration while also facilitating easier movement in water.

Another vital role of the mucus is to protect amphibians from predators. In some species, the mucus contains toxins which can deter or harm potential threats. The unique skin of amphibians also means they are especially sensitive to environmental changes and pollution, making them important indicators of ecosystem health.

Living both on land and in water, amphibians have adapted to their environments with features like a lightweight skull and calcified bones to support movement and respiration in both mediums. Their skin's capacity to absorb water and gases directly is why amphibians are often found in moist environments and why they are at risk in dry or polluted conditions.

c is the answer to this question

the answer is faster

Answer:

lung

Explanation:

gills for fish

Salt is in rocks which goes into the sea and it evaporates

The frequency of the heterozygous rabbits is 0.65. The frequency of the B allele is 0.675. The frequency of the b allele is 0.325.

a. The frequency of heterozygous rabbits can be calculated by subtracting the frequency of the homozygous dominant genotype (BB) from 1. Since the frequency of the BB genotype is 0.35, the frequency of heterozygous rabbits is 1 - 0.35 = 0.65.

b. The frequency of the B allele can be calculated by adding half of the frequency of the heterozygous genotype (Bb) to the frequency of the homozygous dominant genotype (BB). Since the frequency of the BB genotype is 0.35 and the frequency of the Bb genotype is half of the frequency of heterozygous rabbits (0.65/2 = 0.325), the frequency of the B allele is 0.35 + 0.325 = 0.675.

c. The frequency of the b allele can be calculated by subtracting the frequency of the B allele from 1. Since the frequency of the B allele is 0.675, the frequency of the b allele is 1 - 0.675 = 0.325.

https://brainly.com/question/30264293

#SPJ1

The Hardy-Weinberg equilibrium and its principals can be used to answer all the genetics-related questions about rabbits, lizards, humans and more. The frequency of genotypes can be calculated by dividing the population of each genotype by the total population size. To determine if populations are in Hardy-Weinberg equilibrium, we need to compare observed frequencies with predicted frequencies and see if they match.

In answering your questions, it is crucial to understand the Hardy-Weinberg equilibrium and its equation p^2 + 2pq + q^2 = 1.

For your first questions, without further information, it is impossible to accurately determine the frequency of heterozygous rabbits (Bb) or the frequencies of the alleles (B and b). However, you can generally calculate the frequency of the b allele from the frequency of bb rabbits and the B allele frequency from the overall allele total.

For the lizard question, the frequency of genotypes would be calculated by dividing the number of each genotype by the total population size. The Hardy-Weinberg equilibrium isn't necessarily maintained because drift and selection could have occurred in the population. We would need to analyze if the frequencies of the genotypes match the predicted frequencies based on the allele frequencies: p^2, 2pq, and q^2.

In relation to the human blood type question, the same calculation applies as for the lizard, by dividing the population of each genotype by the total population size. However, in predicting the new generation under the Hardy-Weinberg equilibrium, we would need to make some assumptions like infinitely large population size, random mating, no mutation, no migration, and no selection, which are not likely to be true in a real population.

For the birds, it seems that you might have gotten the dominance relationships reversed. In this case the frequency of each allele could be determined by finding the frequency of the recessive phenotype (assuming it is homozygous) then taking the square root (getting q), and p = 1 - q. However, the frequencies of the genotypes isn't straightforward because dominance doesn't tell you anything about the heterozygotes.

For your final question, if 9% of an African population is born with the severe form of sickle-cell anemia (ss), this means that q^2 = 0.09 and q = 0.3. Using this, p can be solved as 1 - q = 0.7, and 2pq gives the estimated proportion of heterozygous individuals in the population.

https://brainly.com/question/16823644

#SPJ12

Knowing the biochemical processes in a cell is significant in medicine and other fields such as agriculture. In medicine,  this knowledge can inform the development of pharmaceuticals that treat diseases that affect cells. In agriculture, this knowledge can be used in the fight against plant diseases hence improving yields.  

Let the Total Number of Nests the Group found in the Season be : N

Given : 40% of the Total Nests the Group found in the Season = 28

[tex]\mathsf{\implies 40\% \;of\;Total\;Nests(N) = 28}[/tex]

[tex]\mathsf{\implies (\frac{40}{100} \times N) = 28}[/tex]

[tex]\mathsf{\implies (\frac{4}{10} \times N) = 28}[/tex]

[tex]\mathsf{\implies N = (\frac{28 \times 10}{4})}[/tex]

[tex]\mathsf{\implies N = (7 \times 10)}[/tex]

[tex]\mathsf{\implies N = 70}[/tex]

The Total Number of Nests the Group found during that Season : 70

How Are Photosynthesis & Cellular Respiration Related?

Function. Only autotrophic organisms like plants, algae and some bacteria can perform....

Photosynthesis. During photosynthesis light energy from the sun causes carbon dioxide...

Cellular Respiration. Respiration requires glucose and oxygen to make carbon dioxide and water.

Please read more into it at the below website How Are Photosynthesis & Cellular Respiration Related ...

sciencing.com/how-are-photosynthesis-cellular-respiration-related-12226137.html

Answer:

The process of photosynthesis can be defined as the process by which the the plants make food.

This food is produced when a chemical reaction takes place in the leaves where the carbon dioxide, water in the presence of sunlight is converted into glucose and oxygen.

This glucose and oxygen is used in the process of cellular respiration where the glucose is broken down ad the energy obtained is stored in the form of adenosine tri phosphate in the presence of oxygen.

Hey there if you mean the picture from edgeunity

The two  molecules will leave the cycle. and  the other molecules would be used to make organic molecules. Also the Calvin cycle has three stages.The RuBisCO will incorporates carbon dioxide into an organic molecule. The organic molecule would be reduced.Then finally the molecule that starts the cycle, would be forming so that the cycle can continue.

Hope this helped.

If you have any questions, reply to me

Regards, ShaggySnaps

The Calvin cycle involves three stages: fixation, which incorporates CO2 into an organic molecule; reduction, which reduces the organic molecule using NADPH; and regeneration, wherein the RuBP molecule is regenerated. The cycle converts atmospheric CO2 into carbohydrates, and must complete several turns to produce glucose.

The Calvin cycle, part of the photosynthesis process, involves three stages: fixation, reduction, and regeneration. If a part has been removed from the diagram, it possibly pertains to one of these stages. The initial step, fixation, involves the enzyme RuBisCO incorporating carbon dioxide into an organic molecule, 3-PGA. For reduction, this organic molecule is reduced using electrons supplied by NADPH. In the final regeneration stage, RuBP, the molecule that starts the cycle, is regenerated to facilitate the continuation of the cycle.

In these steps, CO₂ from the atmosphere is converted into carbohydrates using ATP and NADPH energy. A cycle must be completed three times to produce a three-carbon GA3P molecule, and six times for a six-carbon glucose molecule. Notably, the cycle requires energy input from 12 ATP molecules and 12 NADPH molecules for the reduction step, and 6 ATP molecules for the regeneration phase.

https://brainly.com/question/34149547

#SPJ3

Not necessarily. Monkeys have the same DNA as us

Hope that helps feel free to ask more questions

Brainliest??

Final answer:

Yes , Humans are considered the most intelligent species due to their cognitive abilities. Other animals like apes and dolphins also exhibit significant intelligence. Humans' unique ability to reflect on the universe sets them apart, although intelligence varies across species and comes with different adaptations and costs.

Explanation:

In the animal kingdom, humans are often considered the most intelligent species due to their large and complex brains, which allow for a remarkable capacity for abstract thought, language, introspection, problem-solving, and culture. This high intelligence enables humans to learn behaviors to an extent unmatched by any other species. However, other animals also showcase significant intelligence; for example, apes, such as chimpanzees and gorillas, are capable of learning behaviors and using tools. Additionally, other species like dolphins, octopuses, and ravens have demonstrated the ability to solve complex problems, indicating that intelligence has evolved in multiple forms across different branches of the animal kingdom.

While Homo sapiens may appraise themselves as the most intelligent beings, it's important to note that intelligence comes at an energy cost and evolves incrementally. Moreover, other animals may possess strengths and adaptations in different areas where humans may not be as competent, emphasizing the diverse spectrum of intelligence found in nature.

Our evolutionary cousins, such as orangutans, share human-like traits and behaviors, underpinning our shared genetic heritage. Regardless, humans' ability to understand and question the world and universe at large is a unique quality that sets our species apart. The continuous advancements in various fields through human intellect suggest that, at least for now, humans are the only known species with such a heightened level of cognitive complexity.

Answer:

The answer is C. energy

Explanation:

Answer:

c) energy i took it on usatestprep

the                              answer                                    is                                      B

ok bye see yaa i hope this helps

The structure in the portion of a cell membrane attached below that recognizes chemical signals is ;  ( D )  i.e. structure labelled B in the diagram

The structure in a cell that is responsible for recognizing chemical signals are known as receptors which  are Large proteins and they can be located either inside a cell or outside a cell. while cell to cell signalling involves plasma membrane junctions interacting with surface proteins present in within  cells .

Hence we can conclude that the structure that functions as chemical signal receptor is the structure labelled B in the diagram.

Learn more : https://brainly.com/question/25036036

The Answer Is Heat Brainliest PLZ

Answer:

Heat

Explanation:

Heat is a form of energy (thermal energy) in transition, which is transferred by non-mechanical means due to a temperature difference.

Heat always flows from the higher temperature system to the lower temperature system.

Its nature is transitory, so it makes no sense to speak of heat stored in a system, but of heat flowing from one system or substance to another given a temperature difference.

If there is no difference in temperature, no heat will flow between systems or substances.

b its b i know this question african

Answer:

Pacific

Explanation:

Answer:

kinetic energy

Explanation:

When the molecules or atoms of a substance have high kinetic energy, the atoms/molecules move rapidly and collide frequently and harder. Most collisions are inelastic meaning that some of the energy in the collision is lost mostly as heat. This is why increasing the kinetic energy of a substance’ atoms/molecules causes the temperatures of the substance to rise. This is how heating by magnetic induction works.

Answer:

Pretty sure the answer is Probability.

Warm air rises, creating a low pressure region, and cool air sinks, creating a high pressure zone. Air flowing from areas of high pressure to low pressure creates winds. Air moving at the bases of the three major convection cells in each hemisphere north and south of the equator creates the global wind belts.

Warm air rises, creating a low pressure region, and cool air sinks, creating a high pressure zone. Air flowing from areas of high pressure to low pressure creates winds. Air moving at the bases of the three major convection cells in each hemisphere north and south of the equator creates the global wind belts.?

Adult stem cells are rare. Their primary functions are to maintain the steady state functioning of a cell—called homeostasis—and, with limitations, to replace cells that die because of injury or disease

Answer:

Adult stem cells are that present throughout the body of an individual that divide to restore or fill the place of dying cells or the cells that are damaged are regenerated by these cells.

They are present in adults and as well as in the children known as somatic cells. The major role of these stem cells to maintain the continuity of the cell functioning and replace the dead or regenerate the damaged cell by injury or the disease.

Thus, the correct answer is - replace or regenerate the dead or injured cells respectively.

24 peptides bonds we can form with thee arginine, tryptophan, cysteine and valine.

A peptide bond is an amide type of covalent chemical bond linking two consecutive alpha-amino acids from C1 of one alpha-amino acid and N2 of another, along a peptide or protein chain.

A peptide bond is a covalent bond formed between two amino acids. Living organisms use peptide bonds to form long chains of amino acids, known as proteins.

A peptide bond, also referred to as an amide bond, is formed between the α-nitrogen atom of one amino acid and the carbonyl carbon of a second. So-called isopeptide bonds refer to amide bonds between sidechain amines or carbonyl carbons on the side chain.

Learn more about peptide bonds:

https://brainly.com/question/28295128

#SPJ5

To calculate the number of peptides that can be formed with arginine, tryptophan, cysteine, and valine, one must consider all possible combinations, with the formula 4^n, where n is the number of amino acids in the peptide chain.

The question is asking how many different peptides can be formed using the amino acids arginine, tryptophan, cysteine, and valine. To determine this, we must consider all the possible combinations these amino acids can create in a peptide chain. Each position in the peptide chain can be occupied by any one of the amino acids. Therefore, for a peptide chain of length n, the number of different peptides that can be formed is 4^n, because there are 4 choices for each position.

If we are dealing with dipeptides (chains containing only two amino acids), there are 4 choices for the first position and 4 choices for the second position, leading to 4 * 4 = 16 possible dipeptides. For tripeptides (chains containing three amino acids), the calculation would be 4 * 4 * 4 = 64 possible tripeptides. This pattern continues with the length of the peptide chain increasing. This concept also demonstrates the vast diversity possible with even a small pool of amino acids.

The correct answer is 4. Being startled is a reflexive action, and waving to a friend is a voluntary action.

Reflexive action occurs involuntarily in a response to a stimulus whereas, a voluntary action is consciously done by a person. The person has total control on the action. A voluntary action is controlled by the brain and involuntary action is controlled by the spinal cord.

Therefore, in the given question, being startled is a reflexive action, and waving to a friend is a voluntary action.

Answer:

Being startled is a reflexive action, and waving to a friend is a voluntary action.

Explanation:

Getting startled is a quick response that doesn’t require thinking. So, it’s a reflex action. On the other hand, waving is a voluntary action that requires thinking and coordination between the brain and the muscles.

Protein can be categorized into two types: complete and incomplete proteins.

Proteins are made up of smaller units, called amino acids.

Complete proteins contain all of the amino acids your body needs and include meat, fish, poultry, dairy, and soy products.

The correct answer is C. Insert the gene into bacteria.

To produce a protein from a gene, one common method is to use recombinant DNA technology. In this process, the isolated gene responsible for the protein of interest is inserted into a host organism, often bacteria or yeast, which can then produce the protein.

Here's how it works:

1. **Isolate the gene:** The scientist has already isolated the gene responsible for the protein found in chicken liver.

2. **Insert the gene into bacteria:** The isolated gene is inserted into a bacterial host's DNA. This is typically done using a plasmid, a small, circular piece of DNA that can be easily manipulated and introduced into bacteria.

3. **Expression:** The bacteria, now containing the gene of interest, can be cultured and induced to express the protein. This is often achieved by adding certain chemicals or changing the growth conditions in a way that triggers the bacterial cells to produce the protein.

4. **Protein production:** As the bacterial cells grow and divide, they produce the protein encoded by the inserted gene. This protein can then be harvested and purified for further study or use.

Options A and B ("use reverse transcriptase on the gene" and "mix gene with a cDNA probe") are not the standard methods for protein production. Reverse transcriptase is used to convert RNA into complementary DNA (cDNA) and is typically employed in the generation of cDNA libraries for studying gene expression, while cDNA probes are often used in hybridization experiments to detect the presence of specific RNA molecules. Option D ("Find all the mRNA produced by the liver") is related to studying gene expression but doesn't directly produce the protein of interest.

The procedure of dialysis maintains the body in balance by withdrawing waste, extra water, and salt by preventing them from accumulating up in the body when the kidneys fail. It helps in maintaining a safe level of some kinds of chemicals in the blood, like sodium, potassium, and bicarbonate. It helps in monitoring blood pressure.  

Hence, dialysis helps in performing a function for the circulatory system of the body.  

The following are the characteristics of Cnidaria:  

1. The organisms have specialized stinging cells known as cnidocytes.  

2. Two types of body plans exist, that is, polyp and medusa.  

3. The phenomenon of alternation of generation is observed.  

The following are the characteristics of Porifera:  

1. The organisms lack symmetry.  

2. The adult forms are sessile.  

3. The organisms obtain food by filtering water.