Which of the following serves as a food reserve for an angiosperm embryo?
a. The calyx
b. The seed coat
c. The anther
d. The endosperm
d. The endosperm
The endosperm, created during the event of double fertilization, becomes a tissue that serves as a food reserve for an angiosperm embryo.
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Enzymes used to cut genes in recombinant DNA
research are a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.
Interphase typically lasts for most of a cell cycle.
a. true b. false
The evolutionary species concept states that for a population to be declared a separate species:a
it must have diverged significantly from other populations. b. it must be morphologically different from any other population. c. it must not interbreed with any other population. d. it must occupy a different niche than any other population. e. it must have undergone natural selection sometime in its history
The opportunistic obligate parasite (Microsporum/Pneumocystis/Rhizopus) is considered a member of the normal microbiota
What will be an ideal response?