Answer:
Cholesterol is a structural component of the cell membranes of animals. Because of cholesterol that provides cell membrane structural integrity and fluidity, animal cells need not to have cell walls such as that in bacterial and plant cells.Cholesterol reduces permeability of lipid membranes. ... Cholesterol plays has a role in membrane fluidity but it's most important function is in reducing the permeability of the cell membrane. Cholesterol helps to restrict the passage of molecules by increasing the packing of phospholipids.
Explanation:
Needs to be transported to the mitochondria or the cytosol.
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</span>There are four stages of cellular respiration: glycolysis, pyruvate oxidation, Krebs cycle and Oxidative
phosphorylation. Glycolysis takes place in the cytosol of a cell,while the <span>pyruvate oxidation and the following steps take place </span> in the matrix of the mitochondria. If the enzyme is involved in cellular respiration, it need to be in one of these places.
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Answer:
Natural selection
Explanation:
Sexual selection refers to the natural selection where the allele frequencies of a population are changed due to nonrandom mating between the individuals. Certain preferences for the mate by organisms result in sexual selection. It is mostly exhibited by females.
For example, peahen prefers the peacocks with elaborate tail features as their mate. The sexual selection also occurs when there is competition among the members of the same sex for a mate. This type of sexual selection is mostly exhibited by males and results in fighting and display.
Answer:
A
Explanation:
I believe the answer is A because conservation tillage reduces erosion & runoff but I'm not 100% sure.