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Burka [1]
3 years ago
6

Cell membranes contain a central bilayer formed by - A. lipids / B. protein pumps / C. carbohydrates, / D. proteins

Biology
1 answer:
mario62 [17]3 years ago
8 0
Cell membranes contain a central bilayer formed by lipids. This protect that membrane.
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Assume that the left ventricle of a child's heart has an EDV=90mL, and ESV=60mL, and a cardiac output of 2,400 mL/min. His SV is
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Answer:

SV = 30 ml/ beat.

HR = 80.

Explanation:

The formula to calculate SV is as follows:

SV = EDV- ESV.

Here EDV = 90ml (end diastolic volume), ESV = 60ml (end systolic volume) ans SV is stroke volume.

SV = 90-60

SV = 30ml/beat.

The formula to calculate HR is as follows:

HR = CO/SV

Here, HR is heart rate, CO is cardiac output = 2,400 ml/min and SV is stroke volume = 30ml/beat

HR = 2,400/30

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8 0
3 years ago
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In mosses gametes are produced by _____; in ferns gametes are produced by _____. In mosses gametes are produced by _____; in fer
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Answer:

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