Biology, 25.02.2021 07:20, 2019johnfranken

Which part of the sperm enters the egg? which part of the sperm is left behind?

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Biology, 22.06.2019 07:00, cyaransteenberg

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material

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Biology, 22.06.2019 22:30, amm2795

Baroreceptors in the aortic arch and carotid bodies are mechanoreceptors that respond to the stretch that occurs in these arterial walls with changes in blood pressure. if pressure changes rapidly, the baroreceptors initiate a feedback mechanism that reduces blood pressure; however, if pressure changes slowly, as in developing hypertension, the receptors do not respond. given this information, the baroreceptors are most likely which type of receptor?

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Biology, 23.06.2019 00:00, nsbegay2007

The effect of a hormone on a target cell may be decreased by the presence of

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Biology, 23.06.2019 01:30, gaelm735

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern’s leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon?