Question

Question 1

DNA and RNA belong to which of of these categories of macromolecule? Pick all that APPLY

Options:

A.Carbohydrate

B.Lipid

C.Protein

D.Nucleic acid

E.Water

Question 2

A certain molecule of DNA contains exactly 22% adenine. How much cytosine would you expect to find in this molecule?

options

A. 11%

B. 22%

C. 28%

D. 56%

E. 88%

Question 3

The two sides of a double helix run in opposite directions (they are antiparallel). What does this mean?

Options

A. The 3’ end of one strand and the 5’ end of the second strand point in the same direction.

B. On one strand, A pairs with T and on the other strand C pairs with G

C. The 3’ end of both strands point in the same direction

D.The 1’ end of one strand and the 2’ end of the second strand point in the same direction

Question 4

Select all the statments below that are true about a “gene”.

OPTIONS

[ ] It typically hundreds or thousands of nucleotides long

[ ] it is typically 3-5 base pairs in length

[ ] it is only found in eukaryotes

[ ] it is a section of DNA

[ ] there are 46 of them in the human genome

[ ] it directs the synthesis of one protein

[ ] it is made up of amino acids

[ ] it is produced during translation

Match the name of each of the parts of the nucleotide to the correct label. H NH O-P-O o OE-6 CH OH B A. Ribose sugar VA B. Phosphate C. Deoxyribose sugar D. Oxygen VB C. E. Amino acid F. Nitrogenous base

Answer 1

Question 1

Carbohydrate DNA

Lipid RNA

Protein DNA

Nucleic acid RNA

Water DNA

Queston2

11%

Question 3

The 3’ end of one strand and the 5’end of the second strand point in the same direction

Question 4

· It is typcally3-5 base pairs in length

· It is a secton of DNA

· There are 46 of them in the human genome

· It is made up of amino acds

Question 5

a.oxygen

b.amino acid

c.deoxyribose sugar