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True [87]
3 years ago
6

Which of the following is NOT a layer of the alimentary wall

Biology
1 answer:
Andrew [12]3 years ago
3 0

Answer:

B option

Explanation:

mark as brainlist

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You've just read a research project titled: "Prolonged cell phone use causes brain tumors."
kvasek [131]

Answer:

<em>The correct option is B) number of patients with brain tumors</em>

Explanation:

In a scientific experiment, an independent variable is a variable which is being changed by the scientist or changes naturally. The effect of the independent variable is studied on another variable which is termed as the dependent variable. Hence, the dependent variable can be described as the variable which is under study in a scientific experiment.

In the following scenario, as the effect of prolonged cell phones is being tested on causing brain tumors hence, the number of patients with brain tumors will be the dependent variable.

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the substance that are before any chemical reaction are called 1) dioxides 2) oxygen 3) products 4) reactants
Vesna [10]
The answer is Reactants :)


6 0
3 years ago
with reference to the role of oncogenes, explain how the normal controls over the cell cycle can be lost.
Katena32 [7]
<span>#1) With reference to the role of oncogenes, explain how the normal controls over the cell cycle can be lost.

Answer: The way that cell cycle can be lost is by going through changes in the activity of cell cycle regulators. Cancer causes different types of mutations. There are two types of cell cycle regulators that can promote the development of cancer:

-Positive Regulators that can be over activated (become oncogenic).
-Negative Regulators (tumor suppressors) which can be inactivated.

I hope it helps, Regards. <span /><span>
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7 0
3 years ago
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What conditions account for the development of highly diverse habitats in coastal waters?
kirza4 [7]
<span>I think for the most part, the warmth of the waters determine what lives in them. In warmer coastal waters, you are going to find coral reefs that provide homes to millions of species of fish and micro-organisms.</span>
4 0
3 years ago
Channels within the structure of the cell membrane are composed of A) carbohydrates. B) disaccharides. C) phospholipids. D) prot
enot [183]
<span>I believe the answer is: D. proteins

The main functions of these proteins is to allow specific substance to pass through the membrane of the cells which needed for the energy formation for cells'functions.It created through the combination of more than 20 amino acids with different functions.</span><span />
4 0
3 years ago
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