A house cat has the scientific name Felis catus. The term catus is the
A) species. B) genus. C) kingdom. D) order. E) family.
A
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In photosynthesis, NADH and NADPH are produced from NAD+ and NADP+ by
A) oxidation reactions. B) reduction reactions. C) both oxidation and reduction reactions. D) neither oxidation nor reduction reactions.
Which of the following is a unique feature of viruses that separates them from bacteria?
A. They are generally smaller. B. They are often highly toxic. C. They lack proteins. D. They have different nucleotides in their hereditary material. E. They cannot exist outside of a host cell.
Although they have a diversity of structures, all members of this group of organic molecules are
primarily nonpolar and thus water-insoluble.
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
Most of a carrot, which is adapted for carbohydrate storage, is
A) pericycle. B) endodermis. C) xylem. D) phloem. E) cortex.