The first step in urine formation is ____________________, which takes places across glomerular capillaries. Fill in the blank(s) with the appropriate word(s)
ANSWER: filtration
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The reducing agent during the Calvin cycle is:
A. NADPH. B. ATP. C. oxygen. D. NADH. E. FADH2.
Whole-cell movements involve the coordinated activity of ____
a. microtubules only b. microfilaments only c. blastomeres only d. microtubules and microfilaments e. microtubules, microfilaments and blastomeres
In the accompanying figure, the structure labeled “H” is a ____
a. muscle fiber b. sarcoplasmic reticulum c. mitochondria d. myofibril e. Z line
When yeast cells are cultured in the presence of both glucose and galactose, the GAL genes are
A) transcribed and then translated. B) transcribed but not translated. C) neither transcribed nor translated. D) translated but not transcribed. E) transcribed and translated simultaneously.