DNA REPLICATION

Question 1

In which direction is the genetic code read in?

Answer 1

5’ to 3’ direction

Question 2

What is polyribosome?

Answer 2

Where more than 1 ribosome attach onto the mRNA strand during translation of proteins

Question 3

What is always the first codon in an mRNA strand?

Answer 3

AUG

Question 4

How many subunits does a ribosome have?

Answer 4

2 - a large subunit and a short subunit

Question 5

Which protein complexes are responsible for splicing?

Answer 5

SnRNP

Question 6

In which direction is RNA synthesised from?

Answer 6

5’ to 3’ direction

Question 7

Name the 3 microtubules in a cell during cell division

Answer 7

• Kinetichore microtubules
• Interpolar microtubules
• aster microtubules

Question 8

Do eggs or sperm need more cell divisions?

Answer 8

Sperm

Question 9

How many divisions needed to produce an egg cell?

Answer 9

22 cell divisions by 5 months gestation.
Each months one egg is ovulated