Unit 1 DNA

Question 1

DNA

Answer 1

Deoxyribonucleic acid

Question 2

RNA

Answer 2

Ribonucleic acid

Question 3

What are the 3 parts of a nucleotide?

Answer 3

Nitrogen base, sugar, and phosphate.

Question 4

The double helix structure of DNA was discovered by 4 scientists - what are their names and what was the year?

Answer 4

1958, Franklin, Crick, Watson, Wilkins

Question 5

What is the “backbone” of DNA made up of?

Answer 5

Deoxyribose

Question 6

What holds the DNA molecule together?

Answer 6

Hydrogen Bonds

Question 7

What did Erwin Chargaff discover?

Answer 7

That all DNA ratios is A, T, G, C are all equal.

Question 8

What are the building blocks (monomers) of DNA?

Answer 8

Nucleotides

Question 9

What are the 4 nitrogen bases present in DNA?

Answer 9

(A) Adenine, (T) Thymine, (C) Cytosine, (G) Guanine

Question 10

What does DNA polymerase do?

Answer 10

What does DNA polymerase do?

Question 11

If one strand of DNA if ATT CCG, what is the other complementary strand of DNA?

Answer 11

TAA GGC

Question 12

What is the universal start codon and what amino acid does it code for?

Answer 12

Methionine

Question 13

What are the 3 stop codons?

Answer 13

UAG UAA UGA

Question 14

What does the word “mutation” mean?

Answer 14

Change

Question 15

Mutations that produce changes in a single gene are called

Answer 15

Gene Mutations