Cell Biology Answers

Pharmaceutical and healthcare companies are very interested in substances that affect the mitochondria and associated energy releasing metabolic pathways. Depending on their effect, such substances may potentially be developed into ‘weight-loss’ drugs or ‘weight-gain’ drugs. Some substances are marketed as nutritional supplements that increase energy levels and enhance athletic performance.

what organism does not have any of the distinguishing characterists

Which of the following terms describes DNA?

a. double-strands

b. double helix

c. double nucleotides

d. Both a and b are correct answers.

e. All of the above are correct answers.

Which of the following choices is a deoxyribonucleotide?

a. Adenosine

b. Cytosine

c. Thymine

d. Guanosine

e. None of the above is a deoxyribonucleotide.

Illustrate/Label Mitosis and Meiosis. Compare and Contrast both explaining Cell Division. Which is Asexual Reporduction and Sexual Reproduction? Why?

Is Protein a Polymer?, does it contain a amino

group?, is it formed by hydrolysis?, is it an energy storage molecule?, is it

made up of a triglyceride?, is it one of the monomers that combines to form

starch? does it contain glycosidic bonds?

Make use of a neat, annotated schematic representation to discuss the structure and function of demosomes. (9 marks )

How do diffusion, facilated transport, osmosis and active transport differ? (8 marks)

Make a list of the membranous organelles of a eukaryotic cell and describe the function of each (8 marks )

What happens to plant and animal cells placed in solutions of different concentrations