Chapter 12 Dna And Protein Synthensis

Question 1

Base with one carbon ring

Answer 1

Pyrimidines

Question 2

3 parts of a nucleotide

Answer 2

Phosphate nitrogen bases and 5 carbon sugar

Question 3

Adenine pairs with ……..on DNA

Answer 3

Thymine

Question 4

Adenine pairs with ……..on RNA

Answer 4

Uracil

Question 5

Cytosine pairs with …

Answer 5

Guanine

Question 6

DNA stands for

Answer 6

Deoxyribonucleic acid

Question 7

How many hydrogen bonds are between cytosine and guanine

Answer 7

3 bonds

Question 8

How many hydrogen bonds between adenine and thymine

Answer 8

2 bonds

Question 9

What enzyme separates nucleotides

Answer 9

Helicase

Question 10

What binds separated nucleotides together

Answer 10

DNA polymerase

Question 11

What is the old strand of DNA

Answer 11

Template strand

Question 12

What bonds Okazaki fragments together

Answer 12

Ligase

Question 13

Process of DNA copying itself

Answer 13

Replication

Question 14

A change in a gene that can have serious affects on a cell

Answer 14

Mutation

Question 15

Bases with 2carbon rings

Answer 15

Purine

Question 16

What type of RNA brings amino acid to the ribosomes

Answer 16

tRNA

Question 17

What does the code on DNA code for

Answer 17

Proteins

Question 18

What type of RNA is DNA copied into

Answer 18

mRNA

Question 19

What is the process of copying DNA to RNA

Answer 19

Transcription

Question 20

What enzyme carries out transcription

Answer 20

RNA polymerase