Biochemistry

Question 1

What is the effect of increased partial pressure of CO on the O2 dissociation curve?

Answer 1

Left shift

Question 2

In the clotting cascade, what is fibrinogen activated by?

Answer 2

Thrombin

Question 3

During what part of the cell cycle does DNA replication occur?

Answer 3

Interphase

Question 4

Which organelle holds on to mRNA to allow it to be translated and made into a protein?

Answer 4

Ribosome

Question 5

Via what pathway does oxytocin cause myometrial contractions?

Answer 5

Activate phospholipase C
Produce IP3
Triggers intracellular Ca2+ release

Question 6

Organelle responsible for protein folding and is covered in ribosomes?

Answer 6

Rough endoplasmic reticulum

Question 7

Precursor molecule of androgens and progesterones

Answer 7

Cholesterol

Question 8

What are the DNA nucleotide pairings?

Answer 8

AT
CG

Question 9

What type of receptor binds oxytocin

Answer 9

G protein coupled receptor

Mg and cholesterol required for this process