Biology anatomy of a muscle

Answer:

the production of new living organisms by combining genetic information from two individuals of different types

Given what we know about genetic mutation, we can confirm that unless the mutation is of the silent type (and sometimes regardless of this), it will in fact change the amino acid that the codon specifies.

Mutations are changes in the DNA sequence of a cell that occur during the replication phase. Cellular mutations can be of many types, such as:

and so on, each of which can have varying effects on the amino acid produced.

Most mutations will affect the resulting amino acid in some way. Insertion and deletion tend to be the most harmful mutation types as they alter the way in which the genetic code is processed. Some mutations, however, can be silent, meaning they have no harmful effects due to the fact that the new sequence either encodes the same amino acid or one with a similar enough function. This is possible through mutations like substitution.

Substitution mutations change one nucleotide in a sequence for another. At times, the new sequence will actually encode for the same amino acid as before despite the change. This is one of the only situations in which the amino acid will not be changed. Most often, if a mutation occurs, we can expect the resulting amino acid to change.

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Answer:

meiosis before tetrads are aligned along the equator in metaphase I.

Explanation:

When chromatids "cross over," homologous chromosomes trade pieces of genetic material, resulting in novel combinations of alleles, though the same genes are still present. Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I

Answer:

Yes, indeed they do.

Explanation:

I called my cousin in texas just to make sure this answer is correct. No problem.

which one exactly do you need help with?

Answer:A, C, E .

Explanation:

I just did it on USA testprep

A) The presence of the owls is a selective pressure for the rodents.

C) Coevolution is occurring as each population is evolving in response to the other.

A predator is an organism that hunts, kills, and feeds on another organism known as the prey. Predation is a biological interaction between two species, where one species benefits by consuming the other species, and the other species is harmed or killed.

These two statements correctly evaluate the relationship between the predator and prey species in terms of evolution. The presence of owls as predators creates a selective pressure for rodents, where those with traits that allow them to escape predation are more likely to survive and pass on their genes.

This leads to the evolution of better-adapted traits in the rodent population over time. The interaction between owls and rodents can also be considered an example of coevolution, as changes in one population can drive changes in the other population, leading to a reciprocal evolutionary response.

Overall, the relationship between predator and prey species is complex and constantly evolving, with each population influencing the other's evolution over time.

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Answer:

The protein MreB, has been implicated in regulating the shape of some bacterial cells; it is expressed in rod-shaped and helical bacteria. It resembles actin in structure.

The weaker the stimulus received by the neuron,the weaker the action potential. That is option B.

Action potential is defined as the signals generated by neurons which is an electrical activity caused by a depolarising current in the neuron.

Practically, the greater the strength of a stimulus, the greater the number of action potentials generated in a nerve cell.

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Answer: cell wall, chloroplasts, plastids, and a central vacuole

Explanation:

Answer:

Vacuole

cell wall

chloroplast : photosynthesis

Answer:

Explanation:

509.8 gramos / 1007.1 gm/cm³ = 0.5062... = 0.506 gm/cm³

The properties of the three types of triglycerides by completing the table are:

Triglycerides are the main constituents of body fat in humans, vertebrates and vegetable fats.

triglyceride is an ester derived from glycerol and three fatty acids.

They are:

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Answer:

The answer is (C) In the hypothalamus

Explanation:

Within the hypothalamus are nerve cells that, when activated, produce the sensation of hunger.

Memory is reconstructive and we should therefore wonder about the accuracy of people's memories.

Recalling an event via memory has the tendency to be influenced by other cognitive processes, including perception, beliefs, ideologies, imaginations, etc. This phenomenon, known as reconstructive memory, is one of the key theories of memory recall.

This is one of the reasons 2 people who witnessed an event will have different reports for the same event. Thus, the reconstructive memory theory leaves no other option but to wonder about the accuracy of people's memories.

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Answer:

glassy texture

Explanation:

Explanation:

passive immunity, 4 viruses...

Answer:

...

Explanation:..

Answer: B

Explanation: The International Space Station ISS (assume that the weight of the ISS, if it were on the surface of the earth, is approximately 990,000 pounds) orbits the earth at an altitude of approximately 250 miles above the surface of the earth. Assuming a circular orbit, what is the attractive force that the earth exerts to keep it in orbit? An object's mass does not change from place to place, but an object's weight does change because the gravitational acceleration ge depends on the square of the distance from the center of the Earth. Let's do a calculation and determine the weight of the Space Shuttle in low Earth orbit. On the ground, the orbiter weighs about 250,000 pounds.

Answer:

C. The amount of matter within the system remains the same.

E. The cycle has a well-defined starting and stonninn point

Explanation:

According to the information provided in the graph it can be inferred that the percent of resistant S. aureus doubled from 1950 to 1960.

The graph shows the evolution of the resistance of the Streptococcus aureus bacteria to penicillin from 1940 to 2010. The percentage of resistance evolved as follows:

According to this information, it can be inferred that the correct answer is option B because the percentage of resistance of S. aureus doubled from 1950 (40%) to 1960 (80%). Additionally, the other options are not because:

Note: This question is incomplete because the graph, options and some information is missing. Here is the missing information:

Pneumonia is a lung infection that can be caused by a species of bacteria, Streptococcus aureus. The antibiotic penicillin has been used historically to treat bacterial pneumonia. In recent years, doctors have observed that penicillin is less effective as treatment for pneumonia.

Doctors collected data about the percent of S. aureus bacteria that were resistant to penicillin. The graph shows the percent of penicillin-resistant S. aureus from 1940 to 2010 in one hospital.

A. The percent of resistant S. aureus grew exponentially from 1980 to 2010.

B. The percent of resistant S. aureus doubled from 1950 to 1960.

C. The percent of resistant S. aureus reached its peak in 1960.

D. The S. aureus population reached its carrying capacity by 1990.

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The microbes present in the experiment were:

S. cerevisiae

S. epidermis

A way of categorizing microbes is according to the environment that they need to live in. In other words, we can classify them as isotonic, halotolerant and halophile.

If we put these two microbes in solutions of increasing concentrations, 1%, 7% and 15%, we will see that:

In conclusion, S.cerevisiae prefers an isotonic environment. S. epidermis is halotolerant since it can grow in a more hypertonic environment. As none of them grows in a highly hypertonic solution, neither of them are halophile.

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Answer:

Stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuliform clouds

Answer:

stratus clouds are low-level clouds characterized by horizontal layering with a uniform base, as opposed to convective or cumuli form clouds that are formed by rising thermals

Explanation:

Species: Fractus ; Nebulosus

Abbreviation: st

Classification: Family C(Low-level)

Genus: Stratus (layered)

Answer

Neap Tide

Explanation:

I would say Neap tide because when the sun and moon are lined up a neap tide usually occurs.

Answer:

topic sentence, supporting sentences, examples

Explanation:

hope it helps

Answer:

I'm pretty sure there would be 1000 guanines in the DNA molecule.

Explanation:

Hope this helps. . . <3

If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.

The DNA molecules would be given and it have 450 thymines if the DNA molecule has the total of 1500 nucleotides and the DNA molecule also have been known as the deoxyribonucleic acid has been made up of the double helix. The DNA molecule with the total of 1500 nucleotides would contain 750 cytosine and Thymines and 750 guanines and adenine.

Hence, we can have the expression:

C + T = 750

If there are 300 cytosines, hence;

300 + T = 750

T = 750 - 300

T = 450

A nucleotide has the monomer constituting DNA or RNA biopolymer molecules and the double-stranded DNA molecule posseses two strands of DNA made up of the nucleotides.

Therefore, If a DNA molecule with a total of 2500 nucleotides has 1500 purines, total number of guanines are in this DNA molecule is 1000 guanines in the DNA molecule.

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Answer:

pregnant women don't menstruate bc the blood is going to the child now

Explanation: