Nucleotides

Question 1

Structure of nucleotides

Answer 1

Pentose, base, phosphates

Question 2

Pyrimidines

Answer 2

C, T, U

Question 3

Purines

Answer 3

A and G

Question 4

DNA

Answer 4

Anti parallel

Question 5

Mutations

Answer 5

Spontaneous, external factors, chemicals

Question 6

External factor mutations

Answer 6

Physical factors: uv radiation, ionizing radiation (x and gamma rays)

Question 7

Chemical mutations

Answer 7

Deaminating and oxidative agents

Question 8

Transcription

Answer 8

DNA TO RNA

Question 9

Translation

Answer 9

RNA TO PROTEINS

Question 10

Genome

Answer 10

Set of chromosomes

Question 11

Chromosome

Answer 11

Grouping of DNA with many genes

Question 12

Gene

Answer 12

Segment of DNA that encodes information

Question 13

Cell cycle

Answer 13

Mitosis, g1, s, g2

Question 14

Exons

Answer 14

Coding segments

Question 15

Introns

Answer 15

Non coding segments

Question 16

3 rules of DNA replication

Answer 16

Semiconservative, bidirectional, 5’ to 3’

Question 17

Transcription location and enzyme

Answer 17

Nucleus and RNA polymerase

Question 18

Translation 3 components and location

Answer 18

Ribosome, genetic code, tRNA….. cytoplasm

Question 19

Aminoacetyl-tRNA synthases

Answer 19

Loads amino acids with corresponding anticodons

Question 20

Point mutations

Answer 20

Silent, nonsense, missense

Question 21

Frameshift mutations

Answer 21

Insertion and deletions

Question 22

Silent

Answer 22

Same amino acids, no effect

Question 23

Nonsense

Answer 23

Changes size of polypeptide

Question 24

Missense

Answer 24

Leads to a different amino acid