Chapter 12 Part One

Question 1

Parental strands are

Answer 1

Antiparallel

Question 2

The parent strand is running in the opposite direction

Answer 2

Lagging strand

Question 3

The enzyme that joins the Okazaki fragments on the lagging strand together is

Answer 3

DNA ligase

Question 4

DNA _______ must remove the short strands of RNA and replace it with DNA

Answer 4

Polymerase

Question 5

This enzyme creates a short strand of RNA bases for DNA polymerase

Answer 5

DNA primase

Question 6

Segments of DNA made on the lagging strand are called

Answer 6

Okazaki fragments

Question 7

Enzyme unwinds the DNA helix and separates the hydrogen bonds between the nitrogen containing bases

Answer 7

DNA helicase

Question 8

Making an exact copy of parent cell DNA

Answer 8

Replication

Question 9

DNA polymerase pairs

Answer 9

Adenine to thiamine and cytosine to guanine

Question 10

This enzyme brings the new nucleotides close to there complimentary nucleotide to form new hydrogen bonds and can proofread the newly forming strands and correct mistakes

Answer 10

DNA polymerase

Question 11

Since DNA has two strands, each strand from the parent can act as a _________ for a new strand of DNA

Answer 11

Template

Question 12

Replication and the template give us

Answer 12

Semiconservative replication meaning each daughter cell receives DNA that has one parent strand and one new strand

Question 13

Used to describe the nucleotides that contain the nitrogen containing bases formed into 2⃣ rings are? Name them as well

Answer 13

Purines-adenine, and guanine

Question 14

A(two rings) always bond to __ (one ring) with __ hydrogen bonds

Answer 14

T, 2

Question 15

__ ( two rings) always bonds to C(one ring) with __ hydrogen bonds

Answer 15

G, 3

Question 16

Used to describe the nucleotides that contain the nitrogen containing bases formed into 1 ring are? Name them

Answer 16

Pyrimidines-thymine and cytosine

Question 17

DNA gene used as a template to complimentary pair the DNA bases to RNA bases, this RNA message is moved from the nucleus in the cytoplasm is a description of

Answer 17

mRNA

Question 18

Small t shaped piece of RNA-hydrogen bonds nitrogen containing bases creates structure, attached to a specific amino acid, and transfers the amino acid to a growing protein at the ribosome describes

Answer 18

tRNA