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Elenna [48]
3 years ago
14

What is gravity?

Biology
2 answers:
seraphim [82]3 years ago
8 0

Answer:

A.An attractive force between two objects

Explanation:

Hope this helped

:)

antoniya [11.8K]3 years ago
7 0

Answer:

A

Explanation:

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The chemiosmotic model requires an intact outer mitochondrial membrane. is supported by the observation that, when isolated mito
Rudik [331]

Answer:

requires that mitochondrial ATP synthesis and electron flow through the respiratory chain be obligately coupled.

Explanation:

The chemosmotic model was a concept formulated by Peter Mitchell, who stated that during the phases of electron transport in the respiratory chain, an intense release of energy occurs. This released energy allows hydrogen ions to be transported from within the mitochondrial matrix to the intercellular medium. The result of all of this is the occurrence of a chemosmotic gradient. However, when interpreting what occurs in the chemosmotic model, we can see that this model requires that the mitochondrial synthesis of ATP and the flow of electrons through the respiratory chain must be coupled.

8 0
4 years ago
Lol yea i need help again
Bess [88]
It has two strands

Hope this helped :))
3 0
3 years ago
Cystic fibrosis affects about 200,000 people in the united states. <br> a. True <br> b. False
Lorico [155]
Cystic fibrosis affects more than 200,000 people in the United States so false.
5 0
3 years ago
In a humoral or antibody-mediated immune response, specific B cells are stimulated by Helper T cells to help transform into plas
steposvetlana [31]

Answer:

An important feature that B-cells must have in order to become plasma cells and synthesize antibodies is increased rough endoplasmic reticulum in order to have the surface area needed for antibody production (option A).

Explanation:

The transformation of B cells into plasma cells to produce antibodies is a well known function of lymphocytes related to the immune response. This leads to a series of structural transformations in order to performs their function.

The rough endoplasmic reticulum (RER) has the function of contributing to protein synthesis, in conjunction with the ribosomes that are attached to it and the information of the mRNA.

<em>One of the changes experienced by B cells in their transition to plasma cells is the availability of larger RERs, in preparation for antibody synthesis, formed mostly by proteins</em>.

Learn more:

Plasma cells and humoral immune response brainly.com/question/1512036

5 0
4 years ago
(This is about DNA)
n200080 [17]

Answer:

B. 20%

Explanation:

The complementary base-pairing rule states that Adenine always pairs with Thymine (A with T), and Cytosine with Guanine (C with G).

Because of this, the amount of Adenine present must be the same as the amount of Thymine present, and the same for Cytosine and Guanine.

This means that if there is 30% Adenine, there is also 30% Thymine as each A base is paired to a T base. This adds to 60%, so Cytosine amounts and Guanine amounts must add to 40% to make 100%.

Since they are equal in amount, there must be 20% of each.

Therefore the answer is B. 20%

There is 30% Adenine, 30% Thymine, 20% Guanine and 20% Cytosine.

Hope this helped!

6 0
3 years ago
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