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SIZIF [17.4K]
3 years ago
10

Source: https://www. petcoach.co/article/caring-for-newborn-puppies-their-mother​

Biology
2 answers:
inessss [21]3 years ago
7 0

Answer:

?? it said "this site can't be reached"

cupoosta [38]3 years ago
6 0

Answer:

oze-sdfm-ntq

join

after you join turn of the screen because I am in bathroom and camera Is on

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When does DNA synthesis occur?
SashulF [63]

Answer:

In the S Phase

Explanation:

This is because chromosome duplication occurs in this which is similar or the same to DNA synthesis

8 0
3 years ago
Which of the following are among the most common second messengers?
frosja888 [35]

Answer:

The correct answer would be calcium ion and cAMP.

Secondary messengers refers to the intracellular signaling molecules which pass the signals from the receptors located on the surface of the cell to the target molecule present within the cell.

The secondary messengers can be classified into three major class:

  1. Cyclic nucleotide for example cAMP (cyclic adenosine monophosphate), cGMP (cyclic guanosine monophosphate)
  2. DAG (diacylglycerol) and IP₃ (inositol triphosphate)
  3. Calcium ions (Ca⁺⁺)  

Hence, from the given options, calcium ion and cAMP would make the correct choice.

3 0
3 years ago
Define The Meaning Of Organelle "_________ __________."
andrew11 [14]

Answer:

structures that preform many jobs in cells :)

4 0
2 years ago
Read 2 more answers
explain why an atom that gains an electron becomes negatively charged, while an atom that loses an electron becomes positively c
VashaNatasha [74]

Answer:

When atom gain electron in this atom the number of electron increase so the charge will negative and when loss electron the no of proton increase so the charge will positive because of more protons than electrons

Explanation:

4 0
3 years ago
How do traits that are
pochemuha

Answer:

C

Explanation:

Positive natural selection, or the tendency of beneficial traits to increase in prevalence (frequency) in a population, is the driving force behind adaptive evolution. ... At the molecular level, selection occurs when a particular DNA variant becomes more common because of its effect on the organisms that carry it.

8 0
3 years ago
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