Why are choanoflagellates considered to be the ancestor of animals?

A. similarities in cell structure.
B. similarities in rRNA.
C. similarities in DNA.
D. similarities in embryonic development.


A. similarities in cell structure.

Biology & Microbiology

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A fruit, such as a strawberry, that develops from tissues of the receptacle as well as the ovary would be considered

a(n) ____.

a. aggregate fruit b. accessory fruit c. multiple fruit d. simple fruit e. compound fruit

Biology & Microbiology

Chemical signaling molecules that diffuse across a chemical synapse are called

a. neurotransmitters. b. enzymes. c. neurostimulators. d. neuron releasing factors. e. ion carriers.

Biology & Microbiology

where facilitated diffusion occurs

What will be an ideal response?

Biology & Microbiology

What is TBP? What is its mode of action?

What will be an ideal response?

Biology & Microbiology