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creativ13 [48]
3 years ago
15

Why DNA replicates from 5' to 3' ?​

Biology
1 answer:
Schach [20]3 years ago
5 0
DNA replication goes in the 5' to 3' direction because DNA polymerase acts on the 3'-OH of the existing strand for adding free nucleotides. DNA replication can take place both the directions chemically. ... But these nucleotide triphosphates hydrolyze spontaneously under aqeuous conditions.
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Tom has developed chronic kidney disease. he has lost weight and has a poor intake. the most likely cause is:
almond37 [142]
Chronic kidney disease is when your kidney is not functioning properly. Kidneys contain filters called nephrons. It is the their job to filter the blood of waste products and extra fluid. As a result, your body flushes the waste out as urine. The most common causes of chronic kidney disease are diabetes and high blood pressure. If your blood vessels contain a high concentration of sugar and cholesterol, the nephrons would take the exhaustive work. In the long run, if you keep eating unhealthy food, the kidney could no longer catch up. Thus, resulting to chronic kidney disease.
6 0
3 years ago
what is the phenotypic ratio that results from a dihybrid cross between two organisms and that are heterozygous for both traits
UkoKoshka [18]

Answer:

The phenotype ratio predicted for dihybrid cross is 9:3:3:1.

Explanation:

A dihybrid cross tracks two traits. Both parents are heterozygous, and one allele for each trait exhibits complete dominance *. This means that both parents have recessive alleles, but exhibit the dominant phenotype. (Sorry if i Misspelled some words)

5 0
3 years ago
What is a sagebrush's adaptations ? <br><br><br><br> help
Ostrovityanka [42]

Answer:Like many species of the coastal sage scrub, California sagebrush has adapted to summer drought by becoming dormant or semi-dormant during dry months. Winter-spring leaves are feathery and thin and support high rates of photosynthesis; consequently they also have high rates of water loss.

Explanation:

7 0
3 years ago
Uses of<br>some animals​
marusya05 [52]

Answer:

We keep animals to provide us with:

1. wool and hair for clothing, ropes and tents

2. hides and skin for leather.

3. meat, milk, eggs

4. bones, hooves and horn for a variety of uses.

5. Some animals are used for transport, ploughing and work.

6. We always benefit from the animals we keep.

These are the "Uses of some animals".

<em>PLEASE</em><em> </em><em>THANK</em><em>,</em><em> </em><em>RATE</em><em> </em><em>AND</em><em> </em><em>FOLLOW</em><em> </em><em>ME</em><em>,</em>

<em>HOPE</em><em> </em><em>IT</em><em> </em><em>HELPS</em><em> </em><em>YOU</em><em> </em>

8 0
3 years ago
1.How does being made of many cells help large organisms maintain homeostasis?
Ugo [173]

Answer:

1.Small cell: has larger surface-area to volume ratio  

  Bigger Cell:  has little space to volume ratio

   

2. Surface area to volume ratio, in simple means the size of surface area to the volume of substance that can pass through it at a particular time.

Amoeba and some bacteria's are flat and have large surface area to volume ratio. So the diffusion rate is very high due to large surface area.

Where as humans have small surface area: volume so diffusion is very slow or does not take place at all.

3. Diffusion and Cell Size

The larger a cell is, the greater the surface area available for diffusion. ... Smaller cells have a much greater surface area to volume ratio allowing material to diffuse throughout the entire volume of the cell quickly and efficiently.

7 0
3 years ago
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