Multiple Choice
Based on complementary base pairing, you would expect the percentage of __________ to be equal to the percentage of __________.
4. Biomolecules
Nucleic Acids
Back4. Biomolecules
Nucleic Acids
- Multiple Choice
Which of the following descriptions best fits the class of molecules known as nucleotides?
a) A nitrogenous base & a phosphate group.
b) A nitrogenous base & a sugar.
c) A nitrogenous base, phosphate group & a sugar.
d) A nitrogenous base, a carbohydrate, & a sugar.
- Multiple Choice
The four nitrogenous bases commonly found if DNA are:
a) Adenine, thymine, cytosine, uracil
b) Uracil, adenine, cytosine, guanine.
c) Uracil, cytosine, guanine, thymine.
d) Adenine, thymine, cytosine, guanine.
e) None are correct.
- Multiple Choice
Which of the following statements about DNA structure is true?
a) The nucleic acid strands in a DNA molecule are oriented antiparallel to each other.
b) Nucleic acids are formed through phosphodiester bonds that link complementary nucleobases together.
c) Hydrogen bonds formed between the sugar-phosphate backbones of the two DNA chains stabilize the structure.
d) The pentose sugar in DNA is ribose (containing two hydroxyl groups).
- Multiple ChoiceA glucose molecule is to starch as __________.
- Multiple ChoiceWhich of the following is true regarding complementary base pairing in DNA and RNA molecules?
- Multiple ChoiceWhich of the following lists represents the chemical components of a nucleotide?
- Multiple ChoiceWhich of the following describes a difference between DNA and RNA?
- Multiple ChoiceWhich of the following are pyrimidines found in the nucleic acid DNA?
- Multiple ChoiceA shortage of phosphorus in the soil would make it especially difficult for a plant to manufacture __________.
- Open QuestionWhat are the four nitrogenous bases found in RNA?a. cytosine, guanine, thymine, uracil (C, G, T, U)b. adenine, cytosine, guanine, thymine (A, C, G, T)c. adenine, cytosine, guanine, uracil (A, C, G, U)d. alanine, cysteine, glycine, threonine (A, C, G, T)