The purpose of specialized lacunae are to:
a. provide structure to the rhizomes.
b. carry oxygen to plant parts.
c. provide buoyancy to the blade.
d. both b and c
D
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Ciprofloxacin is a widely used antibiotic. This molecule is used to target:
A. topoisomerases in cancer cells. B. topoisomerases in fungal cells. C. topoisomerases in bacterial cells. D. structural maintenance proteins (SMC) in bacterial cells. E. structural maintenance proteins (SMC) in eukaryotic cells.
Which major group of eukaryotes are protists not closely related to? What will be an ideal response?
Dikaryotic cells are denoted as:
a. n + n. b. n ? n. c. n. d. 2n. e. 2n ? n.
What structure releases the chemical cues that help guide a developing pollen tube toward an ovule?
a. the egg b. the central cell c. the antipodal cell d. the synergid