Wk 3- Protein Synthesis & Enzymes

Question 1

Genes:

Genes contain the - for the production of p-
They do not produce p-.
There are ?,000 genes in DNA

Answer 1

Code , proteins
Proteins
21,000

Question 2

Transcription:

The process of making a - of DNA using -RNA.
RNA polymerase - to the start region of the g?
RNA polymerase reads the base of the template DNA strand
Adds complimentary bases to form a -RNA chain

Answer 2

Copy , mRNA
Binds , gene
mRNA

Question 3

Transcription:

When RNA polymerase reaches the end strand transcription is finished.
mRNA and RNA polymerase - from DNA
DNA strands re-
mRNA strand needs p- before leaving the n-

Answer 3

Detach
Re attach
Processing , nucleus

Question 4

Transcription:

Every cell now has 1 strand of - DNA and 1 strand of - DNA made by m—.
mRNA is capped at each end allowing passage through the n- p-.
3 bases on mRNA = a c?
C? specify an a- a-

Answer 4

Origininal, template ,mRNA
nuclear pore
Codon
Codons , amino acid

Question 5

Translation:

Translation is the process of p- chains from mRNA.
mRNA outside the nucleus binds to r-
tRNA has anticodon (a- a-) complementary to mRNA c-.
Additional tRNA binds to r-.
A- acids join= polypeptide

Answer 5

Polypeptide 
Ribosomes 
Amino acids, codon 
Ribosomes 
Amino

Question 6

Translation:

The codon sequence dictates anti codon/ amino acid to compliment tRNA molecule.
A+?
G+?

Answer 6

A+U

G+C

Question 7

Enzymes:

Accelerate b- processes and increase e-.
Enzyme structure = p- + m-

Enzymes act on a specific substrate, they are highly specific
L- on lipids
P- on proteins

Answer 7

Biological , efficiency

Proteins and metals
Lipases
Proteases

Question 8

Enzymes:

Enzymes can be c- or a-.

C- break down and release e-.
A- use e-
Activation of enzymes may involve increase/decrease in – level.

Answer 8

Catabolic , anabolic

Catabolic, energy
Anabolic , energy
ph

Question 9

DNA construction:

DNA is composed of;

1. N- base ( A- T- G- C-)
2. D- sugar
3. Ph- group

Answer 9

Nitrogenous base (adenine, thymine, guanine, cytosine)
Deoxyribose sugar
Phosphate group