The chemical 5-bromouracil mimics the chemical structure of thymine, making it a(n) (analog/nucleotide/precursor) of thymine.
Fill in the blank(s) with the appropriate word(s).
analog
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Glycolysis is a series of chemical reactions (endergonic and exergonic) by which the cell can obtain ATP. NAD+ plays a crucial role in the reactions of glycolysis by:
A. accepting electrons from glucose so that glucose gets partially oxidized to pyruvate. B. donating electrons to pyruvate when glucose gets partially oxidized. C. converting endergonic reactions to exergonic reactions so that there is an output of energy to make ATP. D. donating electrons to ADP to make ATP.
Which is usually true of bacteria?
A. They are found as rods, spheres, or spirals. B. They reproduce by binary fission. C. They contain rigid cell walls made of peptidoglycan. D. They are found as single cells. E. All of the choices are correct.
Depending on the organism, direct examination of a specimen is often the most rapid diagnostic tool used in the clinical microbiology lab. You have a sample of pus from a patient's penis. What will be the easiest test to confirm that the patient has gonorrhea?
A. Gram stain B. ELISA C. Agglutination reaction D. Microarray
A population of organsims that breaks away and becomes different from the original population through isolation and separate evolution might eventually become a separate
a) phylum b) order c) class d) species e) genus