What organisms are good competitors for free water present in foods with low aw?
A) gram-positive cocci
B) fungi
C) gram-negative bacilli
D) gram-positive bacilli
Answer: B
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The level of specific mRNA, and therefore the expression of a given gene in a particular ecosystem, can be evaluated in the environment using in situ reverse transcriptase (ISRT)-FISH.
Answer the following statement true (T) or false (F)
When a haploid spore germinates, it goes through mitosis, forming hyphae. The resulting hyphae would be which of the following?
A. haploid B. zygotes C. diploid D. dikaryotic E. gametes
Pyramids often are used to show the relative amount of energy that each organism in the next higher level can obtain from the lower-level organism. Which organisms in this food web would make up the lowest level of the pyramid?
A) killer whale B) small animals C) leopard seal, elephant seal, crabeater seal D) algae
In a nucleotide triphosphate, to which carbon on the deoxyribose will the base be found?
A) 5' B) 2' C) 3' D) 1' E) 4'