DNA

Question 1

What are DNA and RNA? What do they carry?

Answer 1

Nucleic acids. Genetic code.

Question 2

What is a nucleotide?

Answer 2

One part of a nucleic acid.

Question 3

What do nucleotides contain?

Answer 3

Pentose sugar (5 carbons, 1 oxygen), phosphate group, nitrogenous base.

Question 4

What are the nitrogenous bases?

Answer 4

A T C G

Question 5

What are the two single ringed nitrogenous bases?

Answer 5

C & T

Question 6

What are the two double ringed nitrogenous bases?

Answer 6

A & G

Question 7

What is a single chain of DNA called?

Answer 7

a polynucleotide

Question 8

What reaction joins nucleotides together?

Answer 8

Condensation reactions

Question 9

What is the name of the pairing of the nitrogenous bases?

Answer 9

Complementary base pairings

Question 10

What are the base pairings?

Answer 10

A & T

C & G

Question 11

What is a long sequences of bases called?

Answer 11

gene

Question 12

What is chromosome?

Answer 12

a highly coiled DNA molecule

Question 13

What do chromosomes contain? What is the collective name?

Answer 13

DNA & protein. Chromatin.