The photosystems are involved in the light reactions of photosynthesis
Indicate whether the statement is true or false
TRUE
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Epidermal cells secrete a coating called the ____ that protects the plant from water loss and attacks by
microbes.
a. cuticle b. protoplast c. stoma d. trichome e. bark
Which regulatory protein is mismatched with its function?
a. Type I interferons?inhibit viral replication b. interleukin-1?resets body's thermostat, resulting in fever c. tumor necrosis factor?kills tumor cells d. cytokines?secrete antibodies e. Type II interferons?stimulate macrophages to destroy tumor cells
What enzyme is used to synthesize daughter strands of DNA during PCR?
A) replicase B) DNA polymerase C) RNA polymerase D) Taq polymerase
Which plant is best adapted to prevent an embolism in their xylem tubes?
A) a banana plant in a very warm climate B) a spruce tree with narrow, tapering tracheids C) a maple tree with wide, perforated vessel elements D) a cattail in a marsh