Use of a plasma membrane carrier protein to move a molecule or ion from a region of lower concentration to one of higher concentration; it opposes equilibrium and requires energy.
What will be an ideal response?
active transport
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The serine pathway and ribulose monophosphate pathway can both be used by ________ as a way to incorporate carbon into biomass
A) acetogens B) anoxygenic hydrocarbon fermenters C) methanogens D) methylotrophs
The size of the mouse (M. musculus) genome is 2700 megabases (Mb) and it contains about 25,000 genes arranged on 40 chromosomes. If the genes are evenly distributed on chromosomes in the mouse, what is the average number of genes per chromosome?
A) 1 B) 9.3 C) 67.5 D) 625
What step of inflammation is enhanced by the presence of opsonins?
A) the clearance of the infection by phagocytosis B) when foreign matter is contained C) when capillaries dilate and become more permeable D) when macrophages engulf debris and foreign matter E) when additional leukocytes are recruited to the region
In living organisms, the molecule most associated with temperature stability is _____.
A) molecular oxygen B) sugar C) hemoglobin D) sodium chloride E) water