BSC170 Exam 2 UPDATED ACTUAL
Exam Questions and CORRECT Answers
The purpose of the sugar-phosphate backbone in a DNA molecule is to - CORRECT
ANSWER - join nucleotides into long chains
Identify the 3 components of a DNA nucleotide - CORRECT ANSWER - Phosphate group
Deoxyribose sugar
Nitrogenous base
The nitrogenous bases that have a 2-ring structure are called - CORRECT ANSWER -
purines
(PU AG) Purine-Adenine-Guanine
The section of a DNA molecule whose sequence of building blocks specifies the sequence of
amino acids in particular protein is called a - CORRECT ANSWER - gene
The purines in a DNA molecule are - CORRECT ANSWER - adenine & guanine
The opposing orientation of the two nucleotide chains in a DNA molecule is called - CORRECT
ANSWER - antiparallelism
The head-to-toe configuration of DNA derives from the structure of the - CORRECT
ANSWER - sugar-phosphate backbone
The specific purine-pyrimidine couples in a DNA molecule are called ______ base pairs -
CORRECT ANSWER - complementary
Exam Questions and CORRECT Answers
The purpose of the sugar-phosphate backbone in a DNA molecule is to - CORRECT
ANSWER - join nucleotides into long chains
Identify the 3 components of a DNA nucleotide - CORRECT ANSWER - Phosphate group
Deoxyribose sugar
Nitrogenous base
The nitrogenous bases that have a 2-ring structure are called - CORRECT ANSWER -
purines
(PU AG) Purine-Adenine-Guanine
The section of a DNA molecule whose sequence of building blocks specifies the sequence of
amino acids in particular protein is called a - CORRECT ANSWER - gene
The purines in a DNA molecule are - CORRECT ANSWER - adenine & guanine
The opposing orientation of the two nucleotide chains in a DNA molecule is called - CORRECT
ANSWER - antiparallelism
The head-to-toe configuration of DNA derives from the structure of the - CORRECT
ANSWER - sugar-phosphate backbone
The specific purine-pyrimidine couples in a DNA molecule are called ______ base pairs -
CORRECT ANSWER - complementary
