Nucleic Acids ppt2

Question 1

the chemical carriers of genetic information

Answer 1

Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA),

Question 2

Nucleotide Functions:

Answer 2

Energy for metabolism (ATP)
Enzyme cofactors (NAD+)
Signal transduction (cAMP)

Question 3

Nucleic Acid Functions:

Answer 3

Storage of genetic info (DNA)
Transmission of genetic info (mRNA)
Processing of genetic information (ribozymes)
Protein synthesis (tRNA and rRNA)

Question 4

The primary structure of a nucleic acid is the

Answer 4

nucleotide sequence

Question 5

The nucleotides in nucleic acids are joined by

Answer 5

phosphodiester bonds

Question 6

Properties of a DNA double
helix

Answer 6

The strands of DNA are antiparallel
The strands are complimentary
There are Hydrogen bond forces
There are base-stacking interactions
There are 10 base pairs per turn

Question 7

The sides of the ladder are:

Answer 7

P = phosphate
S = sugar molecule

Question 8

The steps of the ladder are

Answer 8

nitrogenous bases

Question 9

(Nitrogenous means containing the
element

Answer 9

nitrogen

Question 10

Cell division involving mitosis produces

Answer 10

2 daughter cells

Question 11

genetically identical to each other and
genetically identical to the parent cell

Answer 11

daughter cells

Question 12

DNA in the parent cell must be ________ the cell divides

Answer 12

replicated (copied) before

Question 13

replication of DNA occurs during ______ in the cell cycle

Answer 13

Interphase