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babymother [125]
3 years ago
5

ASAP HELP PLEASE 

Biology
2 answers:
andrew11 [14]3 years ago
5 0
D.

I Believe This Is Correct.
MissTica3 years ago
4 0

Answer .   D) 6 and 7

Explanation:

It's pointing to the endoplasmic reticulum and that is where transport takes place.

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When a person is cut, the injured tissue initially releases chemical signals into the bloodstream. These chemicals signal platel
guajiro [1.7K]

Answer:

Platelets would release signals to stimulate the production of more platelets

Explanation:

Positive feedback mechanism is one of the two types of feedback mechanisms (other being negative feedback mechanism) in which the products of a process stimulates more of that product to be synthesized or produced. In other words, the result of a reaction increases the secretion of more results.

In this case where the injured tissue of a cut initially releases chemical signals into the bloodstream. These chemicals signal platelets to be attracted to the injured area. However, if this is a positive feedback mechanism as explained above, Platelets would release signals to stimulate the production of more platelets.

4 0
3 years ago
What parts of a nucleotide make up the backbone of a nucleic acid? pairs of nitrogen bases pairs of sugars sugar and nitrogen ba
mixer [17]
A DNA molecule consists of two strands of nucleotides twisted together to form a double helix. The sugar-phosphate backbone is found on the outside of this helix and the bases are found braching towards the middle. Hydrogen bonds join the thenitrogenous bases and hold the two strands together.

Therefore your answer is sugar and phosphate.
4 0
3 years ago
Read 2 more answers
The environment has changed and the frequency of the p allele has gone down, what will this do to the q allele?
dedylja [7]
Frequency of q allele would be increase then;
4 0
3 years ago
The ability of the lens to bend light rays so they focus on the retina is known as
liq [111]

Answer:

The power of the lens of an eye adjust or bends the light rays to provide an image on the retina depending on distance of the object.

Explanation:

The lens of an eye and the cornea work together in forming a real image in the retina that houses numerous receptors in the fovea and blind spot of the optic nerve.

Image will be formed  in the retina when light rays converging most at the cornea upon entering and exiting the lens.The power of adjusting the eyes focal length is known as accommodation.

5 0
3 years ago
Select the correct answer. An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left.
lana [24]

Answer:The net force is the sum of all the forces acted upon an object. The direction of force depends on which side you are taking as a positive and negative force. If the force of 22 newtons is positive and the force of 13 newtons is negative, they are actng on the object on different directions, thus in order to get the net force, we just sum them up.

newtons

The net force is +9 Newtons.

Explanation

:

7 0
3 years ago
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