Over time, a tadpole changes into a frog. Has it evolved? No, because its genes are still the same.
No, because its body did not change enough.
Yes, because its structural form changed over time.
Yes, because its genes have changed.

Answers

Answer 1

Answer:

The correct answer would be "No because its genes are still the same".

The process by which a tadpole changes into a frog is termed as metamorphosis, not evolution.

During this process, the physical transformation of an organism takes place through cell growth as well as cell differentiation.

No genetic transformation takes place and thus, no evolution takes place during this transformation.

Answer 2

Answer: No, because its genes are still the same. To evolvewould mean that the frog had one set of genes as a tadpole, then a different set as an adult. It just doesn't work that way. The genes are the same.

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Which of the following accurately describes HIV? A. HIV is deadly, but doesn't target key cells in the immune system.
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D. HIV leads to AIDS, when about one third of the individual's T cell count is lost.

Answers

I think it might be B. not 100% sure but I think it's B.

HIV is able to hide from the immune system, so the answer is B.

At the end of cytokineses, how many daughter chromosomes will be found in each cell?

Answers

In mitosis which produces body cells, each daughter body cell would have 46 chromosomes.
But during meiosis which produces sex cells, each daughter sex cell would have 23 chromosomes.

What amino acid is carried by tRNA with anticodon, GUA?

Answers

Hi There! :)

What amino acid is carried by tRNA with anticodon, GUA?

The mRNA sequence that you have shown above has been given in triplets of bases. These triplets are called codons. Therefore the amino acid that tRNA will bring must be complementary to this hence called the anticodon. There is a rule. A always pairs with U (or T if it was a DNA strand) and C always pairs with G.

For the first two triplets I will do the anticodon sequence then you can finish off : GUA GCC .....

Each codon or anticodon triplet codes for an amino acid. To find this out published tables are used. All the possible triplets will be on there. You will simply just have to read off the names of the amino acid stated next to it in that grid table.

The use of wells to obtain drinking water is a modern convenience. Is this true or false?

Answers

Between true and false, the most probable and the likely one to be the correct answer would be false.

The use of wells to obtain drinking water is not a modern convenience. It might have been a convenience in the past, but with our technological advancements, the use of wells aren't that popular anymore. It is not disregarded though that the usage of wells aren't dropping to a stop since they are still utilized by people usually living in the rural areas. As for the convenience part, well it isn't as convenient as it seems since establishing the well itself would take so much work.

it was false. i just took the test

The tendency for the autonomic nervous system to maintain the body's internal environment in a balanced state of optimum functioning is called:

Answers

it's called homeostasis

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