Which of the following pairs is mismatched?
A) Endoplasmic reticulum — internal transport
B) Golgi complex — secretion
C) Mitochondria — ATP production
D) Centrosome — food storage
E) Lysosome — digestive enzymes
Ans: B) Golgi complex — secretion
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Transgenic farm animals have not gained importance as sources of pharmaceuticals because
A) they are too difficult to maintain. B) they are more susceptible to cancer and other diseases. C) they produce diluted forms of pharmaceuticals. D) they carry multiple viral strains.
The physical location of a gene on a chromosome is a gene's ________
A) genome B) telomere C) locus D) allele E) None of these choices
A cell contains a higher concentration of a substance than its surrounding environment. The cell membrane is highly permeable to this substance. What will happen as a result of diffusion?
A) The cell membrane will keep the substance inside the cell. B) The cell membrane will allow the substance to move to the cell's environment. C) The cell membrane will use the process of active transport to take in more of the substance. D) The cell membrane will allow more of the substance to enter the cell.
Even in the absence of sperm, metabolic activity in an egg can be artificially activated by _____
A) abnormally high levels of carbonic acid in the cytosol B) abnormally low levels of extracellular oxygen C) injection of calcium ions into the cytosol D) depletion of its ATP supplies