In reference to the citrate synthesis mechanism:

does the citrate synthase enzyme use acid catalysis, base catalysis, covalent catalysis or maybe a combo of these processes?

If the final product of a multienzyme system blocks the activity of the first enzyme in the system, this would be considered

- negative feedback

- circadian rhythm

- thermoregulation

- positive feedback

Which of the following is NOT a sequence of DNA that could be cut by a restriction enzyme?

a. GAATTC                  b. ATCGAT                 c. GTAC                       d. GTTCCA

e. AGATCT

Why?

Using names and structures show the transformation of pyruvic acid to ethyl alcohol. At the arrows between each step give the names of the enzyme and coenzyme involved.

Explain the Enzyme-Based sensors for the assay of glucose. Discuss the reaction mechanism too. Explain in detail working principle with the chemical reactions involved in this measurement.

Three classes of proteins are responsible for tagging proteins destined for degradation by the proteasome complex. Name the enzymes and briefly describe the function of each enzyme involved.

A plant cell develops a mutation in its Rubisco gene that results in no production of the enzyme.

What would be the effect on the light reactions, on photosynthesis and on the organism as a whole?

Cell Biology Short Answer Question: Describe some typical features of a restriction enzyme recognition sequence and how blunt and staggered cuts are made.

list the four basic organic molecule types, and for each, describe where it is first meaningfully digested in humans and give the enzyme used to break it down.