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valkas [14]
2 years ago
9

What happens in ribosomes?

Biology
1 answer:
LenaWriter [7]2 years ago
7 0
Ribosomes are the site of translation of strands of transferRNA into chains of amino acids.   Ribosomes allow the reading of the genetic information coded for by the tRNA which codes for the position of amino acids along a protein
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Describe the steps that bone goes through as it heals from a break.
lyudmila [28]

Answer:

Explained

Explanation:

Bone healing has three main processes and these stages are overlapping to each other. These processes are inflammation,bone production and bone remodeling.

Inflammation occurs immediately after the fracture and last several days. It enables clotting of blood. It provides initial structure stability and framework for new bone formation.  

Bone production occurs when the clotted blood formed by inflammation is replaced with fibrous tissues and cartilage as soft callous.

Bone remodeling is the final stage of the bone healing and it goes on for several months. Bone continues to form and compact. Bones returns to its original shape and the blood circulation in that area improves.

8 0
3 years ago
When would palliative care be used?
Bingel [31]
The answer to this is

<span>You can have palliative care while you are undergoing treatments that may cure or reverse the effects of your illness. In fact, palliative care can help you cope with aggressive treatments by getting your pain and symptoms under control to help you fight the disease.</span>

Hope This Helps!
:D
8 0
3 years ago
An organism's body is constructed using the information contained in
DIA [1.3K]

Answer:

genes

Explanation:

6 0
3 years ago
Which letter indicates systolic pressure? which letter indicates systolic pressure? a b c i request answer part b which letter i
padilas [110]
1) I think letter a, indicates the systolic pressure which is at the peak of changes in blood pressure. Systolic pressure refers to the amount of pressure in the arteries during contraction of the heart muscles.  If the measurement reads 120 systolic and 80 diastolic, one would say "120 over 80" or write "120/80 mmHg which is the normal pressure.

2) i think letter b, represents diastolic pressure; where there is a dip in the changes in blood pressure. Diastolic blood pressure measures the pressure in blood vessels when the heart rests between beats. It therefore,  refers to the blood pressure when the heart muscle is between beats.

3) I believe letter d, indicates arteries, When blood enters the arteries from the aorta, both pressure and velocity begin to fall. As blood leaves the arteries  and flows through the arterioles, both pressure and velocity drop rapidly. Arteries deliver oxygen rich blood from the heart to the tissues of the body. Each artery is a muscular tube lined by smooth tissue and are made of three layers.

4) I think the letter that indicates the venules is g, Cappillaries to venules to veins to venacava and to the heart. Venules are small blood vessels in the microcirculation that allows blood to return from the capillary beds to drain into the larger blood vessels veins. 

5)  I believe letter i indicates vessels in which blood pressure is the lowest; Cross section increases thus causing a decrease in velocity thus reducing the blood pressure. Blood pressure is lowest in the veins as the blood is returning to the heart.

6) i believe letter f indicates the vessel in which blood travels the most slowly. Velocity of the blood is the lowest in the capillaries approximately 500 times more slowly than the Aorta. Capillaries are the smallest blood vessels. They serve to distribute oxygenated blood from arteries to the tissues of the body and to feed deoxygenated blood from the tissues back into veins. 

7) I think letter h, indicates the vessels in which blood velocity is increasing the most. The velocity of blood increases the  most from the capillary to the veins. Blood pressure is highest in the aorta as blood is ejected from the left ventricle. Blood pressure gradually decreases from the aorta to the large arteries to arterioles, to capillaries, then finally lowest in the veins before returning to the heart.
5 0
3 years ago
Which statement about operons is false?
Kay [80]

Answer: All the statement are correct.

Explanation:

In prokaryotes, an operon are unit of transcription regulation, operon are functioning unit of DNA of which consists of cluster of related genes with a single promoter and an operator.

The structural genes in the operon are either all ON or OFF at the same time, because they are controlled by a single promoter and an operator. Represible or inducible operon are all turned of off unless needed.

The DNA of an operon are generally transcribed into a single mRNA molecule which is polycistronic that codes for more than one protein

8 0
3 years ago
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