Photosynthesis contributes to plant growth by ________
A) taking in oxygen and making wood
B) taking in carbon dioxide and making sugars (carbohydrates)
C) synthesizing carbon dioxide and making cellulose
D) converting sugar to oxygen and water
B
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The genetic makeup of a particular trait in an individual is its
a. dominance. b. heterozygosity. c. genotype. d. phenotype. e. filial.
DNA is separated, and then duplicated, during cellular reproduction. Which process results in cells that contain slightly different combinations of genes compared to the parent cell?
A) meiosis B) mitosis C) fertilization D) cytokinesis
During which stage of syphilis is penicillin ineffective?
A) Primary syphilis B) Secondary syphilis C) Tertiary syphilis D) All of the above
Which of the following statements is NOT true of lysogeny?
A) It can give infected pathogens the genetic information for toxin production. B) Prophage is inserted into the host genome. C) Lytic cycle may follow lysogeny. D) It is a "silent" infection; the virus does not replicate. E) It causes lysis of host cells.