To which class of neurotransmitters does dopamine belong?
a. acetylcholine
b. monoamines
c. amino acids
d. neuropeptides
e. gaseous neurotransmitters
ANSWER: b
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Heterotrophic bacteria will run out of organic growth substrates in batch cultures but chemostats can provide constant nutrient source for them to grow
Chemostats for photoautotrophic bacteria are not necessary to maintain them at a constant growth phase because a light can artificially be turned on constantly. Indicate whether the statement is true or false.
For the light-independent reactions to continue, glyceraldehyde-3-phosphate must be converted into
A. ribulose. B. carbon dioxide. C. ATP. D. glucose.
Which of the following is involved in forming the tertiary structure of proteins?
a. H bonds b. Hydrophobic interactions c. Ionic bonds d. All of the above
_______________ is the term for differences among individuals in a population.
A. Migration B. Variation C. Gene Flow D. Macro evolution E. Microevulation