All of the following statements regarding C4 plants are true except:
A) rubisco is no longer necessary to make glucose.
B) they resemble CAM plants in that they keep their stomata closed during the day.
C) they require more ATP to produce glucose than C3 plants.
D) C4 plants grow better than C3 plants under low CO2 conditions.
E) C4 plants may expand their ranges with global warming.
A) rubisco is no longer necessary to make glucose.
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You are given 100 acres of land and asked to use the land for long-term reduction of atmospheric CO2 levels. Which of the following is the best use of the land for this purpose?
A. Plant a rapidly growing grass that can be harvested every year and used to make ethanol that is added to gasoline. B. Plant slow-growing, bristle-cone pine trees that are known to live for thousands of years and reach a height of about 6 feet. C. Plant corn that is used to feed pigs that are then harvested for sausage meat that is sold at the grocery store. D. Plant a regular lawn and use the land as a park to encourage the local population to exercise more. E. Plant trees that grow rapidly, reach a huge size, and live for a long time.
Outside the protein sheath, many viruses have a(n) ________ made of protein, lipid, and carbohydrate.
Fill in the blank(s) with the appropriate word(s).
The rash of spotted fever rickettsiosis is the result of
A) capillary damage. B) infection of skin cells. C) allergic reaction to the vector. D) production of a toxin that causes inflammation. E) infection of sebaceous glands.
Starch in plants is functionally most similar to _____ in animals.
A) cellulose B) chitin C) protein D) glycogen E) triglyceride