After pollination, sperm cells travel through the carpel in a structure called the ________

Fill in the blank(s) with correct word


pollen tube

Biology & Microbiology

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The natural antibodies in serum that react with A or B polysaccharide antigens are mostly of the class

A. IgG. B. IgE. C. IgM. D. IgD. E. IgA.

Biology & Microbiology

Charles Darwin formulated an explanation of ________ based on early marine observations aboard the HMS Beagle. a. None of these choices

b. the process of evolution c. atoll development d. both atoll development and the process of evolution

Biology & Microbiology

Describe how dental plaques develop, including the different types of bacteria that colonize (and when) and the different types of metabolism they exhibit that contributes to gum and tooth decay.

What will be an ideal response?

Biology & Microbiology

The emergency treatment for anaphylactic shock is an injection of

a. glucose. b. epinephrine. c. serotonin. d. dopamine. e. histamine.

Biology & Microbiology