Deoxyribonucleic Acid

Question 0

Where is DNA located?

Answer 0

In the nucleus.

Question 1

What are the 2 forms that DNA comes in?

Answer 1

Defuse/Chromatin for everyday life
&
Condensed/Chromosone for cell reproduction in protein histones

Question 2

What 2 structures does DNA come in?

Answer 2

Double helix of nucleotides
&
Polymer of Nucleotides

Question 3

What are the 4 functions of DNA?

Answer 3

1. Personal traits
2. Random mutations for species variation
3. Codes for protein synthesis
4. Passes down information from generation to generation

Question 4

What is a nucleotide made of?

Answer 4

1. phosphate group
2. pentose sugar
3. nitrogenous base

Question 6

What are the names of purines?

Answer 6

Adenine & Guanine

Question 6

How many H bonds are there between:
Adenine & Thymine
and
Guanine and Cytosine

Answer 6

Adenine and Thymine: 2

Guanine and Cytosine: 3

Question 7

What are the names of pyrimidines?

Answer 7

Thymine and Cytosine

Question 8

How many rings are there on purines & pyrimidines?

Answer 8

Purines: 2
Pyrimidines: 1

Question 9

What is the complimentary base pairing?

Answer 9

A’s go with T’s

G’s go with C’s

Question 10

What is Chargaff’s Rule?

Answer 10

of purines = # of pyrimidines

Question 11

How do nucleotides connect?

Answer 11

by 3 prime

Question 12

What is a helicase?

Answer 12

It breaks H Bonds and unzips DNA

Question 13

What is the ligase?

Answer 13

A Ligase connects Okazaki fragments

Question 14

What is an Okazaki Fragment?

Answer 14

A strand of DNA on the lagging strand

Question 15

What are other names for the leading/lagging strand?

Answer 15

Continuous & Discontinuous

Question 16

What are stabilizing proteins?

Answer 16

Keeps DNA from tangling

Question 17

What is the DNA polymerase?

Answer 17

adds new nucleotides in the right order to create a new strand (5’ to 3’)

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