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forsale [732]
3 years ago
7

He finds that those who took vitamins are, on average, 2 cm taller. What is a major limitation of his experiment

Biology
1 answer:
Cerrena [4.2K]3 years ago
5 0
It could be that he doesn’t specify what kind of vitamins
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Simple epithelia have more layers for protection, whereas stratified epithelia allow materials to move across them and are less
xeze [42]

Answer: False.

Explanation:

Epithelial tissue is found in the linings of many structures throughout the body. There are two kinds of epithelial tissue: simple and stratified. And they  perform different functions and are structured differently.

The simple epithelium consists of one single layer of cells. In this way, all cells are in direct contact with the basement membrane and are separated from the connective tissue. The main function of this epithelium is <u>absorption and filtration.</u>

The stratified epithelium is composed of many layers of cells that are stacked together. In this way, this epithelium has the function of <u>protecting against physical and chemical damage.</u>

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3 years ago
Increased urination brought on by drinking too mugh ethyl alcohol is due to
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Answer:

The correct answer is option b, that is, inhibition of vasopressin.

Explanation:

Vasopressin also called ADH or anti-diuretic hormone results in the resorption of water by the collecting duct and the distal convoluted tubule of the nephron, and thus, minimizes the reduction of water via urine. Consuming ethyl alcohol results in the prevention of the secretion of ADH that results in frequent urination.

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4 years ago
What is the advantage of starting to grow trees in a nursery?
OLga [1]

Answer:

A

Explanation:

5 0
3 years ago
" each molecule of hemoglobin, when fully saturated, carries _______ molecule(s) of oxygen."
Aleonysh [2.5K]
<span>4 molecules of oxygen. Haemoglobin is a protein found in the red blood cells, which carries oxygen to the cells to perform cellular respiration. Each red blood cell carries around 250 million haemoglobin. So the entire capacity of an RBC is around 1 billion oxygen molecules.</span>
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3 years ago
Cell membranes are made up of a bilayer of phospholipids that are very selective about what substances can pass through.The tabl
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Answer:

Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.

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3 years ago
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