氣體交換表面與菲克定律：练习题

In DNA replication, what is the specific role of the enzyme DNA polymerase?

According to Fick's Law of Diffusion, which relationship correctly describes the rate of diffusion?

Which type of mutation is most likely to result in the genetic condition cystic fibrosis?

State two structural differences between a DNA mononucleotide and an RNA mononucleotide.

In the context of the fluid mosaic model, explain how the structure of phospholipids enables them to form a stable bilayer in an aqueous environment.

Define what is meant by a gene mutation and state how it can lead to a change in the primary structure of a protein.

Topic 2: Genes and Health
Cystic fibrosis is an inherited condition caused by mutations in the CFTR gene.

(a) State the meaning of the term gene mutation<\/i>.
(b) Explain how a mutation in the DNA sequence can result in a non-functional CFTR protein being produced.
(c) Describe one way in which the sticky mucus produced by individuals with cystic fibrosis affects the functioning of the gaseous exchange system.<\/p>