During meiosis, two rounds of DNA synthesis are required to form four gametes from one parent cell
A. true
B. false
B
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In eukaryotes, where do the reactions of cellular respiration occur?
What will be an ideal response?
The operation of natural selection depends upon the fact that ____
a. the strong always survive, whereas the weak always die b. some individuals have a better chance to produce more offspring c. mutations are always harmful d. acquired characteristics are inherited e. reproduction of all members of a species follows the same path
Lysozyme, an enzyme found in tears, provides a natural defense against bacteria by
A. hydrolyzing peptidoglycan in cell walls. B. removing flagella. C. removing the capsule from outside the cell. D. dissolving the cell membrane. E. inhibiting protein synthesis.
Gram-staining of bacteria provides all the physical characterization necessary to identify bacterial species.
Answer the following statement true (T) or false (F)