Which characteristic is NOT found in nonliving entities?
a. energetic interactions
b. DNA
c. atoms
d. heat energy
e. complexity
ANSWER: b
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Following a meal glucose must move from the gut lumen where there is a high glucose concentration into the intestinal cell where there is a relatively low level of glucose. This movement is called
A. passive diffusion. B. facilitated diffusion. C. active transport. D. endocytosis. E. exocytosis.
Twins are said to be concordant for a trait when
A. both twins exhibit the trait. B. only identical twins exhibit the trait. C. only fraternal twins exhibit the trait. D. fraternal twins more often show the trait than identical twins. E. None of these is true.
Which of the following microbes can oxidize ferrous iron while using chlorate or perchlorate as the electron acceptor?
A. Ferribacterium limneticum B. Pseudomonas denitrificans C. Thiobacillus ferrooxidans D. Dechlorosoma suillum
Method of measuring microbial growth is used for samples with high cell numbers, requires incubation, and gives a viable cell count
What will be an ideal response?