Biology, 05.09.2020 04:01 cindyc1103
When fatty acid molecules are in water, they can self-organize into a bilayer (double layer) that surrounds an inner core of water. Where "middle" refers to the middle of the bilayer between the outer and inner layers of fatty acids, which of the following statements is correct?
A. The polar heads of the outer layer face the middle; the polar heads of the inner layer face toward the middle.
B. The polar heads of the outer layer face outward; the polar heads of the inner layer face toward the middle.
C. The polar heads of the outer layer face outward; the polar heads of the inner layer face toward the inner water core.
D. The polar tails of the outer layer face toward the middle; the polar tails of the inner layer face toward the inner water core.
E. The polar tails of the outer layer face outward; the polar tails of the inner layer face toward the middle.
Answers: 1
Biology, 21.06.2019 21:30
What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.
Answers: 1
Biology, 22.06.2019 11:30
2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.
Answers: 1
When fatty acid molecules are in water, they can self-organize into a bilayer (double layer) that su...
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