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Kaylis [27]
3 years ago
7

Which of these changes produces a chemical change?

Biology
1 answer:
Olin [163]3 years ago
5 0

Answer:

b

dissolving is a chemical change

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Genetic recombination in bacteria can happen during (name two possibilities)
Sergio [31]

Answer:

During transformation and conjugation

Explanation:

Transformation is a process whereby genetic material from another species is  introduced into the bacteria through a series of biological steps and manipulation. Conjugation is when the exchange of the genetic material is between bacterial species through a conjugation tube.

7 0
4 years ago
Which of the following lower limb muscles plays an important role in maintaining posture?
Alona [7]
I believe the correct answer would be C. Sartorius   i believe this is the answer, after doing some research on gO0gLe.

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3 years ago
Describe stages of cell signaling: a. List and describe the three stages of cell signaling. b. List the three types of receptors
liraira [26]

Answer:

a.There are three signaling pathway

1- Reception in which molecule binds to receptor

2- Signal transduction in which activation of intracellular pathway and enzyme occur.

3- Cellular response in which specific response of cell occur according to receptor and ligand.

b. Three types of receptors are

1- autocrine

2- paracrine

3- endocrine.

Explanation:

autocrine receptors are signaling pathway in which cell releases its molecule and bind to its own cell receptor example cancer cells while paracrine in which ligand binds to other nearby cell receptor and it is used during development  and in endocrine cell target distinct cell and travel through blood stream like hormones functioning.

3 0
3 years ago
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Substitution is a type of point mutation. They are called point mutations because they________?
Ksju [112]

Answer:

I believe it is Involve only a single nucleotide and if not then its Change the genetic information in DNA

Explanation:

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Which of the following waves travels the fastest?
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Hi!

The answer is "light wave"

Hope this helps!

-Payshence xoxo
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