Answer:Which of the following correctly compares how plant and animal cells differ? Plant cells have a cell membrane and cell walls for support, but animal cells do not have cell walls. ... Animal cells have DNA in their nuclei and mitochondria, while plant cells have it in their nuclei, mitochondria, and chloroplasts.
Explanation:
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Answer:
Afferent arteriole
Explanation:
A glomerulus is formed from the afferent blood vessels, a branch from the renal artery. The afferent arteriole collects blood from the glomerulus and extends to the renal tubule where it divides into capillaries that ramify the tubule. The afferent arteriole is wider than the efferent arteriole.
The correct answer is: A. The hydrophilic head groups of the lipid molecules are exposed to the outside of the cell and the cytoplasm, which is a water-like environment. The hydrophobic tails form an oily layer inside the membrane that keeps water out of the cell.
Plasma membrane of the cell is arranged in a bilayer of phospholipids. Phospholipids are amphipathic molecules which means that they have both hydrophilic and hydrophobic regions. The hydrophilic heads of phospholipids that are faced outward and hydrophobic layer located in the interior of the bilayer together make a good barrier between the interior and exterior of the cell, so the water and other polar or charged substances cannot easily cross the hydrophobic core of the membrane.
Well, the high energy and heat found in the photons of sunlight allow plants to make their own food, sustaining them long enough to be eaten by us, or to be eaten by animals about to be eaten by us. Plus we get direct warmth from the sun. These things mean that the sun is what keeps all organisms alive in the first place.
