Hormonal Communication Mistakes

Question 1

Describe how adrenaline binds to cardiac cells.

Answer 1

Receptors are attached to glycoproteins on the cell surface membrane

Question 2

A hydrated form mole is a rare complication of pregnancy that can occur after implantation of the fertilised egg in the uterus. It results in excessive production of hCG and damage to the lining off the womb leading to miscarriage
Suggests how a hydratidiform mole could increase hCG above normal levels

Answer 2

The mole could produce more hCG than normal
Due to the expression of genes
Synthesising more hCG
Tissues could be stimulated to produce more hCG than normal

Question 3

Which hormone is in charge of regulation of metabolism

Answer 3

Glucocorticoids

Question 4

What is an acinus

Answer 4

Cluster of cells that are a berry like shape

Question 5

Explain why standard deviation is better than using the range to determine the dispersion of data.

Answer 5

Standard deviation appreciates all of the data values
Standard deviation is less affected by 10.9 value - anomalous value

Question 6

Discuss the advantages and disadvantages of using animal derived insulin

Answer 6

Advantages:
Tried and tested method
Keeps people alive

Disadvantages:
Needs to be purified
Risk of allergic reaction
High production cost
Religious/ ethical issues of animal production

Question 7

Discuss the advantages and disadvantages of immunotherapies as treatment for diabetes

Answer 7

Advantages
Reprogrammed immune system
Prevents / stops damage to beta cells

Disadvantages:
Still in early stages
Need clinical trials