Nucleotides

Question 1

Nucleotides

Answer 1

Building Block of DNA

Question 2

Components of Nucleotides

Answer 2

1. A Phosphate group
2. A five Carbon Sugar
3. A nitrogenous ( Nitrogen containing) Base

Question 3

2 type of sugars

Answer 3

Deoxyribose
Ribose

Question 4

Deoxyribose

Answer 4

1. Lacking Oxygen ( In DNA)

Question 5

Ribose

Answer 5

1. Has OH group bonded to the 2 carbon ( in RNA)

OH- Oxygen and Hydrogen

Question 6

Why do the 5 Carbon sugar in DNA and RNA differ?

Answer 6

They differ due to DNA lacking Oxygen while RNA has both OH

Question 7

When nucleotide join together what group from one nucleotide joins with another?

Answer 7

1. When nucleotides join together 3 prime OH groups from one nucleotide join with the 5 prime phosphate of the next nucleotide.
2. The chain always grows at the 3 prime end

Question 8

5 prime contains

Answer 8

Phosphate group

Question 9

3 Prime contains

Answer 9

OH (Hydroxyl group)

Question 10

Where does the chain always grow from

Answer 10

3 Prime side

Question 11

How many hydrogen bonds does adenine from with Thymine (A-T)

Answer 11

Two hyrdogen bonds

Question 12

How many hydrogen bonds does Guanine form with Cytosise (G-C)

Answer 12

3 Hydrogen bonds

Question 13

What do purines bind to

Answer 13

Pyrimidines

Question 14

Chromatin

Answer 14

A string of nucleosomes