The functional unit of the kidney is the
a. Bowman's capsule.
b. nephron.
c. glomerulus.
d. urinary bladder.
e. urethra.
b
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Loeffler's medium inhibits the growth of MOST organisms and is commonly used to cultivate
A) Corynebacterium diphtheriae. B) Mycobacterium tuberculosis. C) Mycobacterium leprae. D) Staphylococcus aureus.
When photosynthesis is fully operational under conditions of intense light, the pH of the thylakoid lumen may be as much as three full pH units lower than the stroma of the chloroplast
That means that there are __________________ hydrogen ions in the thylakoid compared to the stroma. A. 1,000 times more B. 100 times more C. 3 times more D. 3 times fewer
The most common microsatellite in humans is ____
A. (AT)100 B. (CA)n C. (TG)n D. (CAT)n
Before ARF transcription factors can trigger auxin-induced gene expression, what must happen?
A. Auxin binds to TIR1, an auxin receptor. B. Auxin binds to ubiquitin, a degradation tag. C. Ubiquitin must destroy TIR1 to release Aux/IAA proteins. D. Auxin must bind to the ARF transcription factor. E. Auxin degrades Aux/IAA proteins which repress ARF transcription factors.