Biology Answers

Explain the structural and functional differences between soluble and insoluble fiber.

Which type of fiber has been shown to lower/improve cholesterol levels?

What is the proposed mechanism of action for this associated health benefit? ( how does fiber help naturally lower cholesterol?)

Calculate the average atomic mass of carbon if 98.90% of the atoms are C-12 (12.000000 amu) and 1.100% are C-13 atoms (13.003354 amu).

The remnant of an organ that had a function in an early ancestor is known as a

2.2 Explain why eukaryotic cells undergo apoptosis.

3.2 Briefly explain the four levels of protein structure. In your answer refer to a
protein haemoglobin and catabolite gene activator protein where applicable.

4.2 Discuss the cell cycle in normal and cancer cells.

Explain how foreign DNA is inserted into host cells.

Explain the replication cycle of Plasmodium falciparum.