In a molecule of DNA, purine bases form ________ bonds with pyrimidine bases.

A) phosphate

B) hydrogen

C) disulfide

D) covalent


B) hydrogen

Biology & Microbiology

You might also like to view...

Operons that code for anabolic enzyme systems are typically regulated by inducers

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following is a DNA virus?

A) hepatitis A virus B) hepatitis B virus C) hepatitis C virus D) hepatitis D virus

Biology & Microbiology

The overall ecological efficiency of most organisms is between ____ percent

a. 1 and 2 b. 2 and 5 c. 5 and 20 d. 10 and 50 e. 50 and 75

Biology & Microbiology

Discuss how mutations in proteins can be used to examine the link between a person’s genotype and that person’s

phenotype. What will be an ideal response?

Biology & Microbiology