Adenine forms two hydrogen bonds with thymine in DNA while three hydrogen bonds are formed between guanine and cytosine.

Thymine and cytosine are pyrimidines because they have a single ring structure. Adenine and guanine are purines because they have a double ring structure.

6 0

3 years ago

Which of the following does NOT affect the flow of groundwater through an aquifer ? a. porosity C. gradient b . chemical weather

creativ13 [48]

Answer:

b . chemical weathering

Explanation:

Chemical weathering is not affected the flow of groundwater through an aquifer but affect by the porosity and permeability. The rate of groundwater flow is controlled by two properties of the rock which are porosity and permeability. Porosity is the percentage of void space in a rock while on the other hand, Permeability is the quality of being permeable means able to be penetrated or passed through by a liquid or gas.

4 0

2 years ago

Which label identifies the part of the ATP molecule that changes when energy is released in the cells of all living

AveGali [126]

Answer:

Explanation:

The label d is generated as a product due to the breaking down of Phosphate compound.

8 0

2 years ago

At very large distances from the Sun, its corona turns into the solar wind.<br> True<br> False

Illusion [34]

Answer:

the question really didnt make sense to me so false..

Explanation:

false

5 0

2 years ago