Exam 3: Cellular Structure, Proteins, and Metabolic Pathways

If you were given the sequence of nucleotides in a single gene and the total number of nucleotides was 90 (excluding start and stop signals);how many amino acids would you expect to find in the protein that is made from this gene?

Glucose is not considered an essential nutrient because it is not essential for good health.

Allosteric inhibition of rate-limiting enzymes is a common means of regulating anabolic pathways.

Human beings can synthesize all twenty amino acids the body must have.

Proteins destined to become integral membrane proteins have a signal sequence.

Most energy in the body is stored in what form?

Which describes the action of a ligand's competitive antagonist?

The reactions of the Krebs cycle

You are isolating molecules from different parts of a cell in the lab.You find that you've mixed up your tubes.In one tube,you've identified RNA.Therefore this tube must be from the nucleus,it could not be from the cytosol.

Many popular diet trends involve severe reductions in dietary carbohydrates so that the body must utilize fats and lipids as energy sources.Under these conditions,which of the following would be an enhanced entry pathway in cellular respiration?

Which is a major function of the plasma membrane?

The rate of a reaction occurring in the absence of its enzyme is one molecule of product made per second.Which of the following is likely in the presence of its enzyme?