What is the principal driving force for movement of water into and through the plant shoot?
a. upward pressure as sugar is forced into the roots
b. pumping by the xylem cells
c. passive transport
d. transpirational pull
Ans: d. transpirational pull
Biology & Microbiology
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Which of the following is least likely to be part of a cell membrane?
A) proteoglycans B) phospholipids C) glycoproteins D) transport proteins E) enzymes
Biology & Microbiology
Which animals are bilateral with a tubular gut, a coelom and conspicuous segmentation, inside and out?
a. sponges b. cnidarians c. flatworms d. annelids e. mollusks
Biology & Microbiology
Humans do not contain the enzymes to break down ____
a. cellulose b. fructose c. glycogen d. starch e. sucrose
Biology & Microbiology
In a mating between individuals with the genotypes IAIO × IOIO, what percentage of the offspring are expected to have the O blood type?
What will be an ideal response?
Biology & Microbiology