A mutualistic symbiosis in which fungal hyphae penetrate plant root cells is called a(n) ____
a. rhizobium
b. lichen
c. arbuscule
d. mycorrhiza
e. haustorium
ANSWER: d
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Antimicrobial agents that usually kill target organisms are said to be:
a. bactericidal. b. antibiotic. c. bacteriostatic. d. antagonistic.
In a process called ____, cells lose their normal regulatory controls and revert partially or completely to an embryonic
developmental state.
a. metastasis b. embryogenesis c. induction d. determination e. dedifferentiation
What types of cells can perform glycolysis?
a. animals b. plants c. bacteria d. most prokaryotic and eukaryotic cells
How many different offspring genotypes are expected in a trihybrid cross between parents heterozygous for all three traits when the traits behave in a dominant and recessive pattern? How many phenotypes?
A. 64 genotypes; 16 phenotypes B. 16 genotypes; 64 phenotypes C. 8 genotypes; 27 phenotypes D. 27 genotypes; 8 phenotypes