A blastomere is a ________ and a blastocyst is ________.
A) fetal organ produced by cleavage; an embryonic organ produced by cleavage
B) fetal membrane; an embryonic membrane
C) cell produced by cleavage; a hollow ball of cells
D) solid ball of cells; three-layered embryo
C) cell produced by cleavage; a hollow ball of cells
Biology & Microbiology
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Most known plant viruses are RNA viruses.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The synthesis of ____ is triggered when cells bind systemin
a. gibberellin b. auxin c. jasmonate d. cytokinin e. brassinosteroids
Biology & Microbiology
What structures do barnacles use to capture their food?
a. antennae b. shells c. legs d. heads e. siphons
Biology & Microbiology
Fructose and glucose are
a. able to combine to form sucrose. b. structurally different. c. monosaccharides. d. simple sugars. e. all of these.
Biology & Microbiology