The components of a nucleotide are
A) a carboxyl group, an amine group, and a variable R group.
B) a five-carbon sugar, a phosphate group, and a nitrogen-containing aromatic base.
C) a three-carbon alcohol with a hydroxyl group on each carbon and three fatty acids.
D) two six-carbon sugars attached with an ?(1?4) glycosidic bond.
E) a six-carbon sugar, an ester linkage, and a four-ringed hydrocarbon.
Answer: B
You might also like to view...
Which of the following is a product of the citric acid cycle?
a. ADP b. NADPH c. carbon dioxide d. water
Oral contraceptives work by _____.
A. changing the pH of the uterus so sperm cannot live B. changing the temperature of the uterus so sperm cannot live C. blocking the entrance to the uterus D. killing sperm E. preventing ovulation
Forests are considered carbon storage sinks because ________.
A. carbon dioxide is released into the atmosphere through the stoma of plants B. plants are energy plantations C. plants swap carbon dioxide for oxygen from the atmosphere D. carbon dioxide is used in the Calvin cycle to make glucose, which is used to make wood and other tree molecules.
Slow freezing is more damaging to microbial cells than quick freezing.
Answer the following statement true (T) or false (F)