DNA / RNA

Question 1

What hold the double helix strands together?

Answer 1

Hydrogen

Question 2

A-

Answer 2

Adenine

Question 3

G-

Answer 3

Guanine

Question 4

C-

Answer 4

Cytosine

Question 5

T-

Answer 5

Thymine

Question 6

DNA is-

Answer 6

Chromosome bundles

Question 7

Does each strand or DNA has all the info needed to construct the other half?

Answer 7

Yes

Question 8

Replication steps

Answer 8

1. Hydrogenbonds between nucleotides break
2. DNA seporates
3. New nucleotides are added onto the strands that have been seporated
4. Hydrogen bonds between the nucleotides form

Question 9

RNA and Protein Synthesis
Sugar is ___ instead of deoxyribose

Answer 9

Ribose

Question 10

RNA is____stranded

Answer 10

Single-stranded

Question 11

RNA and Protein Synthesis contains ___ instead of thymine

Answer 11

Uracil

Question 12

Messenger RNA (m-RNA)

Answer 12

Carries code from DNA to ribosomes

Question 13

Transfer RNA (t-RNA)

Answer 13

Matches m-RNA codon to add the correct amino acids during protein synthesis

Question 14

Ribosomal RNA (rRNA)

Answer 14

combines amino acids together to form ribosomes

Question 15

Transcription

Answer 15

RNA polymerase separates strands, then uses one strand as a template to resemble RNA

Question 16

where does DNA stay

Answer 16

Nucleus

Question 17

Where dose transcription occur?

Answer 17

(DNA–>RNA) In the nucleus

Question 18

where does Translation occur
What happeneds?

Answer 18

Cytoplasum
protine is made by using genetic information carried by mRNA

Question 19

Codons represent…

Answer 19

Different amino acids

Question 20

there are __ possible codons

Answer 20

64

Question 21

what do anti-codons (tRNA) match up too

Answer 21

codons on mRNA

Question 22

MUTATION
Substitution

Answer 22

Changes one base to another

Question 23

MUTATION
Deletions

Answer 23

piece of DNA code from a gene, is lost

Question 24

MUTATION
Insertions

Answer 24

Piece of DNA
is copied to many times

Question 25

what is the role of DNA helicase in the replication of DNA?

Answer 25

Unzip DNA