In the alveoli and lung capillaries, how are carbon dioxide and oxygen exchanged?

A) by endocytosis
B) by osmosis
C) by diffusion
D) by phagocytosis


C

Biology & Microbiology

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In chelicerates, the abdomen and telson are fused

Indicate whether the statement is true or false

Biology & Microbiology

Most invasive species have a far greater impact in their new home than they did in the community in which they evolved. Why is this?

What will be an ideal response?

Biology & Microbiology

Explain the respective advantages associated with operons being inducible (e.g., the lactose operon) or

repressible (e.g., the tryptophan operon). What will be an ideal response?

Biology & Microbiology

In general, a seed is a:

A) protected plant embryo with a food supply. B) a large spore that grows into the gametophyte. C) plant ovary. D) reproductive structure that requires pollen to become active.

Biology & Microbiology