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tester [92]
3 years ago
8

Molecules can cross cell membranes from areas of low concentration to areas of high concentration by binding with carrier protei

ns and ATP. What is this process called?
Biology
1 answer:
adell [148]3 years ago
4 0
A :-) Osmosis. Osmosis is the movement of water across a membrane from an area of low solute concentration to an area of high solute concentration.
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A hypothesis is a ___.
Aloiza [94]

Answer:

A hypothesis is a tentative/ preliminary statement of the relationship between two or more variables. <u>It is a specific, testable prediction about what you expect to happen in a study.</u>

Explanation:

In science, the hypothesis is an idea or explanation that you then experience/test through study and experimentation. Outside science, theory or guess can also be called a hypothesis. The hypothesis is nothing more than an unbridled, wild guess but less than a well-established theory.

So, we can conclude that <em>The hypothesis</em><u> is a simple statement that defines what you think the outcome of your experiment will be.</u>

<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em>

<em>Good</em><em> </em><em>Luck</em><em>!</em>

8 0
3 years ago
Read 2 more answers
Which element is essential to making up all organic molecules?.
goldenfox [79]

Answer:

This element is carbon.

Explanation:

You might be quick to think the answer is something like hydrogen and oxygen because both form to make water. But understand that the question is not asking about important elements in life, just which element makes up organic molecules. This element happens to be carbon.

It's important to understand that carbon is lucky in that it has 4 valence electrons and is able to bond with other important elements, like F, N, and especially H. The bond between C-H is essential in organic chemistry because it represents the structure of an organic molecule and helps with the IUPAC naming of organic molecules. It also suffices to say that there is a cycle for carbon in the carbon cycle, which transports carbon from one place in our world to the other.

So, it suffices to say that carbon is in fact essential for making up organic molecules.

5 0
2 years ago
What are two things that parasites can do?
Neko [114]

Answer:

Parasites are organisms that infect the body of another living being and live off their hosts to survive. While some parasites create no symptoms in their hosts, others can cause severe illness. Parasitic infections occur when parasites grow, reproduce, or invade organ systems that make their hosts ill.

7 0
4 years ago
Which of the following represents a coiled wiry structure that a grapevine stem modifies into?
swat32
I think the answer is a tendril. 
7 0
3 years ago
In the southern european plains, a species of flower comes in two colors, purple and pink. when pink flowers are most common in
gogolik [260]
<span>It will result in Negative frequency-dependent selection.

</span> Frequency-dependent selection is when the fitness of a phenotype depends on the frequency of the other phenotype in the population. In this case is negative frequency-dependent selection, because the fitness of a phenotype(pink) decreases as it becomes more common.



8 0
3 years ago
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