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Nady [450]
2 years ago
14

Please help me with this​

Biology
2 answers:
Nitella [24]2 years ago
7 0

Answer:

All four forces are acting in the same direction

jarptica [38.1K]2 years ago
5 0
I think B.

I hope it’s right.
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Describe the pros and cons of the treatments used for each of the sickle cell anemia patients investigated in this activity.
notka56 [123]
Sickle cell anemia is caused by an abnormal hemoglobin in red blood cells. hemoglobin is the red pigment found in red blood cells for carrying oxygen.The abnormality arises from a genetic mutation in the DNA gene that codes for the  beta chain of the protein called globin of which hemoglobin is made of.In the beta chain, the sixth amino acid called glutamine is replaced by another one called valine.<span>This one change in the amino acids cause the hemoglobin protein  to behave abnormally, causing  red blood cells to lose their normal spherical shape and become bent like a sickle, hence the name "sickle cell" anemia</span>
5 0
3 years ago
How would an increase in the number of producers affect the nitrogen cycle? Select all that apply.
Flauer [41]

Producers are typically plants, so I believe the correct answers would be 2, 3, 4.

3 0
3 years ago
Why do cells divide instead of just grow larger?
kherson [118]

Answer:  As we all grow, why don’t the cells just get bigger instead of getting more of them? Cells are limited in size because the outside (the cell membrane) must transport the food and oxygen to the parts inside.

Explanation:  

8 0
3 years ago
The secondary structure of proteins results because of _____ bonding between molecules in the protein molecules' backbone.
topjm [15]

Answer:

Hydrogen bonding

Explanation:

The newly synthesised proteins as a result of the process of translation are linear structures formed by linear arrangement of amino acids.

The linear structure of a protein is known as the primary structure which changes its conformation and take the shape of either the helix or the pleated sheet. This helical or pleated sheet structure is known as a secondary structure.

The secondary structure is formed due to the bond formed between the hydrogen of the carbonyl group and the amino group which form the backbone of the protein structure. The hydrogen bond causes the linear polypeptide to form spiral helical or bend pleated sheet.

Thus, Hydrogen bonding is the correct answer.

6 0
3 years ago
A car moves with an initial velocity of 15 m s-1 and accelerates with constant acceleration 4 m s-
timofeeve [1]
Initia Velocity(u) :- 15m/s

Acceleration(a) :- 4m/s2

Time Taken(t) :- 50 Seconds

{ok a formula is there —->>> s = ut + 1/2 at2(it is ‘t’ square)….. now we will write like this and yeah don’t write this}

We Know,

s = ut + 1/2 at2

s = (15*50 + 1/2 *4*50*50)m

s= (750 + 5000)m

s = 5750 m

Therefore distance traveled is 5750 meters.

Hopefully this helps
5 0
2 years ago
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