BIOLOGY 1201 EXAM 1 COMPREHENSIVE
TEST PAPER WITH SOLVED QUESTIONS
◉ If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-
3', what will be the sequence of the matching strand?
Answer: 3'-TAAACG-5'
◉ A nucleotide is composed of a(n) _____.
Answer: phosphate group, a nitrogen-containing base, and a five-
carbon sugar
◉ If a DNA double helix is 100 nucleotide pairs long and contains
25 adenine bases, how many guanine bases does it contain?
Answer: 75
◉ The two strands of a DNA double helix are held together by _____
that form between pairs of nitrogenous bases.
Answer: hydrogen bonds
◉ Proteins are polymers of _____.
Answer: amino acids
◉ What type of bond joins the monomers in a protein's primary
structure?
, Answer: peptide
◉ The secondary structure of a protein results from _____.
Answer: hydrogen bonds
◉ Tertiary structure is NOT directly dependent on _____.
Answer: peptide bonds
◉ Which of the following would you predict to have the highest
solubility in water?
Answer: C2H60
◉ Beginning with a solution of pH 7 you decrease the [H+] by a
factor of 100 what is the new pH of the solution?
Answer: 9
◉ Beginning with a solution of pOH 5 you increase the [OH-] by a
factor of 1,000 what is the new pH of the solution?
Answer: 12
◉ Which of the following BEST summarizes the relationship
between dehydration reactions and hydrolysis?
Answer: Dehydration reactions assemble polymers and hydrolysis
breaks them down.
TEST PAPER WITH SOLVED QUESTIONS
◉ If a strand of DNA has the nitrogen base sequence 5'-ATTTGC-
3', what will be the sequence of the matching strand?
Answer: 3'-TAAACG-5'
◉ A nucleotide is composed of a(n) _____.
Answer: phosphate group, a nitrogen-containing base, and a five-
carbon sugar
◉ If a DNA double helix is 100 nucleotide pairs long and contains
25 adenine bases, how many guanine bases does it contain?
Answer: 75
◉ The two strands of a DNA double helix are held together by _____
that form between pairs of nitrogenous bases.
Answer: hydrogen bonds
◉ Proteins are polymers of _____.
Answer: amino acids
◉ What type of bond joins the monomers in a protein's primary
structure?
, Answer: peptide
◉ The secondary structure of a protein results from _____.
Answer: hydrogen bonds
◉ Tertiary structure is NOT directly dependent on _____.
Answer: peptide bonds
◉ Which of the following would you predict to have the highest
solubility in water?
Answer: C2H60
◉ Beginning with a solution of pH 7 you decrease the [H+] by a
factor of 100 what is the new pH of the solution?
Answer: 9
◉ Beginning with a solution of pOH 5 you increase the [OH-] by a
factor of 1,000 what is the new pH of the solution?
Answer: 12
◉ Which of the following BEST summarizes the relationship
between dehydration reactions and hydrolysis?
Answer: Dehydration reactions assemble polymers and hydrolysis
breaks them down.
