Nucleotides

Question 1

Draw two circles where molecules. bond to phosphates

Answer 1

Question 2

Why is cellular respiration necessary in DNA replication

Answer 2

ATP is needed for energy

Question 3

Helices action

Answer 3

Unzips double helix and breaks hydrogen bonds between two strands

Question 4

Now do errors occur in DNA replication

Answer 4

Mutations or changes In DNA sequence a frame shift

Question 5

What does protease do

Answer 5

Digest histones

Question 6

DNA polymerase

Answer 6

FormsPhosphodiester bonds between nucleotides

Question 7

RNA polymerase

Answer 7

FormsPhosphodiester bonds between nucleotides and adds RNA nucleosides

Question 8

Steps in making polypeptides

Answer 8

Transcription in the nucleus, production of mRNA, mRNA leaves the nucleus via nuclear pores and translation is at ribosomes tRNA in the ribosomes with specific amino acids binds to anticodons

Question 9

Levels of protein structure to explain how some gene mutations don’t effect haemoglobin

Answer 9

Question 10

Detergent

Answer 10

Also breaks phospholipids bilayer

Question 11

What else does detergent do

Answer 11

Breaks phospholipids bilayer

Question 12

When talking abt acidity always mention

Answer 12

Ph

Question 13

DNA polynucleotide chain

Answer 13

Pyrimidine and purine
Sugar phosphate backbone template runs 5 and 3
AT 2 h CG 3 H
Anti parallel
Diff sizes

Question 14

ATP only remains in the body mass at a small proportion

Answer 14

As it is hydrolysed to adp and is used immediately

Question 15

Compare and contrast dna replication and transcription

Answer 15

Question 16

Enzymes

Answer 16

Are catalyst that lower activation energy

Question 17

Genetic code

Answer 17

Is non overlapping

Question 18

Graph questions

Answer 18

Decrease/increase, plateau and what stays same

Question 19

Mrna dna

Answer 19

Mrna transcribes the dna

Question 20

DNA replicate

Answer 20

Question 21

DNA replicate is easy as

Answer 21

H bonds easily broken and both are template strands

Question 22

DNA helices

Answer 22

Unzips DNA strands or double helix and breaks hydrogen bonds between strands

Question 23

If no dna use

Answer 23

RNA