What type of specialized stem do plants such as irises and grasses possess?
a. cladodes
b. bulbs
c. tubers
d. rhizomes
e. corms
ANSWER: d
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Gibberellic acid:
A. stimulates fruit formation. B. inhibits photosynthesis. C. stimulates stem elongation. D. maintains seed dormancy. E. is overexpressed in semidwarf varieties of plants.
The ability of some tRNAs to pair with different codons is described according to ____ as being due to
imprecise base pairing with the third base in the codon.
a. alternative splicing b. degeneracy c. exon shuffling d. the wobble hypothesis e. aminoacylation
Rises in blood pressure with large increases in cardiac output are limited by decreases in total peripheral resistance.
Answer the following statement true (T) or false (F)
Which of the following diseases are you NOT likely to get from an arthropod vector?
a. none of the answers are correct (all of the organisms come from arthropods) b. Lyme disease c. schistosomiasis d. malaria e. plague