Biology, 24.11.2019 19:31, isabellesolisss5217
Rita has oily skin. which secretion that acts as a waterproofing agent for the skin and hair follicles does she produce in excess?
sebum
sweat
cerumen
collagen
Answers: 2
Biology, 22.06.2019 10:00, nyasiasaunders1234
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
Answers: 2
Biology, 22.06.2019 19:20, mildred3645
Molecules like glucose and amino acids are not lipid soluble, so cannot cross the cell membrane by simple diffusion. instead, they are shuttled across by carrier proteins in the membrane from high to low concentration. does this process require energy from the cell? this is an example of what type of molecular movement?
Answers: 1
Biology, 23.06.2019 01:00, allycoops666666
Which sentences describe the logistic growth model? there are three different phases of the s-shaped curve. at first, growth is exponential because individuals are few and resources are plenty. this growth model occurs in a situation where resources are plenty and individuals are few to consume the resources. population growth decreases as resources become limited. when a population size reaches the carrying capacity of its environment, the population growth slows down or stops completely. the model looks like a j-curve.
Answers: 3
Rita has oily skin. which secretion that acts as a waterproofing agent for the skin and hair follicl...
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