Viruses are considered to be
a. non-living
b. very small bacteria
c. a link between life and non-life
d. primitive organisms
e. primitive precursors of bacteria
Ans: a. non-living
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The peripheral nervous system is composed of:
A. sensory neurons. B. cranial nerves. C. spinal nerves. D. All of the answer options are correct.
This molecule combines with CO2 to form the 3-carbon substance, 3-phosphoglycerate.
A. glyceraldehyde-3-phosphate (G3P) B. glucose C. ribulose biphoshpate (RuBP) D. glycerol E. nicotinamide adenine dinucleotide phosphate (NADPH)
If a person experiences blood loss due to trauma and is in danger of going into shock, the standard treatment is to supply the person with intravenous saline solution. What support does this provide? Why is this treatment less effective than supplying whole blood?
What will be an ideal response?
In the tryptophan operon, the repressor actively binds to the operator when:a
tryptophan binds to an allosteric site on the repressor protein, thereby activating it. b. tryptophan levels are low. c. lactose levels are low. d. there is a great need for proteins. e. allotryptophan levels are low.