Explain what occurs during endocytosis.

What will be an ideal response?


During endocytosis a portion of the plasma membrane invaginates and forms a pouch in order to envelop a substance and fluid. As the membrane folds inward it will eventually pinch itself together, forming a vesicle containing the substance or fluid inside of the cell.

Biology & Microbiology

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Which level of regulation directly determines the rate at which proteins are made?

a. transcriptional regulation b. posttranscriptional regulation c. translational regulation d. posttranslational regulation e. chromatin remodeling regulation

Biology & Microbiology

Which of the following occurs immediately after a haploid spore germinates?

a. A gametophyte is created by mitosis. b. A gametophyte is created by meiosis. c. A sporophyte is created by mitosis. d. A sporophyte is created by meiosis.

Biology & Microbiology

Explain why only 5 to 30% of the energy contained in a particular trophic level may be passed to the next trophic level

What will be an ideal response?

Biology & Microbiology

The plant response in which stems grow upward and roots grow downward is called

A. photoperiodism. B. thigmotropism. C. phototropism. D. gravitropism.

Biology & Microbiology