Cell Biology Answers

Explain the role of the Endoplasmic Reticulum in protein folding. Consider quality control, the solutions to folding and refolding, and the degradation of proteins.

A patient com

A patient comes into your clinic with unexplained paralysis in her limbs. She has no history of neuromuscular problems. After further questioning you find that that she had taken a drug “X.” Explain the effect of a possible toxin in the drug on actin filaments that might be the cause of her paralysis.

Using an example, explain why it is necessary to determine the genotypes of the gametes of the mated individuals in order to predict the phenotypes of their offspring.

There are three histologic specimens of cartilaginous tissue. Two of them are

stained with hematoxylin-eosin, and one histologic specimen is stained with

orcein. What fibres and in what type of cartilaginous tissue can be determined

by such dyes? What functional properties of the cartilaginous tissue do they

cause?

Is photosynthesis light-dependent or light-independent?

What do you think is the importance of the cyclic electron flow to the process of photosynthesis and the cell?

Briefly outline a cell signalling mechanism. Use a named signalling molecule along with its receptor type in order to illustrate your answer?

Compare and contrast the structure and function of collagens to the other abundant extracellular matrix components.

Briefly outline a cell signalling mechanism. Use a named signalling molecule along with its receptor type in order to illustrate your answer.

DNA is the genetic material that makes up living things, and folic acid plays an important role in the formation of DNA. Jon wants to study the effect of folic acid on DNA formation in microbes. Which statement accurately describe the variables in this study?

A.