An organic compound that provides instructions for the synthesis or production of polypeptide chains is referred to as which of the following?
A) nucleotide
B) lipids
C) ATP
D) DNA
D
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Cyanide poisons mitochondria by blocking the final step in the electron transport chain. Human red blood cells placed in an isotonic solution containing cyanide are likely to _____
A) retain the normal cell shape, but the mitochondria will be poisoned B) lyse as the cyanide concentration increases inside the cell C) switch to anaerobic metabolism D) become unable to carry oxygen E) be unaffected
Gene transfer that requires cell-to-cell contact is
A. transformation. B. competency. C. conjugation. D. functional genomics
How does deforestation affect local weather? a. Daytime temperatures rise and rainfall is reduced
b. Daytime temperatures remain the same and rainfall increases. c. Daytime temperatures rise and rainfall increases. d. Daytime temperatures fall and rainfall decreases. e. Daytime temperatures fall and rainfall increases.
The alignment of homologous chromosomes with the exchange of genetic information between them is known as
A. random fertilization. B. lining up at the equator. C. independent assortment. D. crossing over.