The "backbone", or sides, of the dna molecule are made of

a. cytosine.

b. nitrogenous bases.

c. hydrogen bonding.

d. sugar and phosphate.

Phytoplankton play an important role in which of the following biogeochemical cycles? A. the nitrogen cycle B. the phosphorus cycle C. the rock cycle

Explain how a small amount of chlorofluorocarbons can destroy a large amount of ozone. Small amount of chlorofluorocarbons can destroy a large amount of ozone Because the released halogen is a catalyst, a single CFC molecule can cause the

If a patient with type b blood received a transfusion of ab blood

How can natural selection change the distribution of a trait?

In estimating the profitability of a catering business blank is most likely to be considered a fixed expense in your overhead costs

Which human body system do you most resemble to ribosomes and why?

What are roots made of?

Compare and contrast: How are hypothesis and theories related?

Evolution and Bacterial Resistance to Antibiotics Write a Summary One Page Download docx

Who was the scientist that first discovered cells by using the microscope