Triglycerides are

a. carbohydrates.
b. nucleotides.
c. proteins.
d. neutral fats.
e. amino acids


D

Biology & Microbiology

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Sulfa drugs like Bactrim, given for bacterial infections, inhibit bacteria by blocking folic acid synthesis.  The precursor molecule of folic acid is para-amino benzoic acid (PABA).  Interestingly, PABA has a structure very similar to a sulfa drug.  If a sulfa drug is present, the bacterial enzyme will bind the sulfa drug because of structural similarity.  This is an example of ________.

A. competitive inhibition B. noncompetitive inhibition C. catabolite repression D. enzyme repression E. enzyme induction

Biology & Microbiology

What major concept of DNA did Watson and Crick design in their DNA model?

(A) DNA was a double helix (B) DNA was the hereditary molecule (C) DNA copies itself through semiconservative replication (D) Amino acid may have been the first biological molecules formed on earth

Biology & Microbiology

Which of the following is synonymous with apoptosis?

a. programmed cell death b. the loss of contact inhibition c. programmed cell life d. the gain of contact inhibition

Biology & Microbiology

________ is the relative number of reproductively viable offspring left by an individual

Fill in the blank(s) with correct word

Biology & Microbiology