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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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Mr. B has been transferred to your floor to wait and see whether the chest tube allows his lungs to completely re-expand. But wh
geniusboy [140]

The question is incomplete,below is the complete question.

Mr. B has been transferred to your floor to wait and see whether the chest tube allows his lungs to completely re-expand. But when he arrives, he is in severe respiratory distress. He says "I felt better before I came into the ER! Is this tube doing anything?"

You tell the Clinical Nurse Specialist (CNS). As the two of you move him into the bed, you notice that his chest tube bottle is lying on its side on the gurney, with air going into it. When you point this out to the CNS, she immediately grabs the bottle and sets it upright on the floor. You see air start bubbling through the fluid right away. "That was the problem!" she says. "They lost the water seal, and air was going into his chest from the bottle. You would not believe how many times that happens on transport." When you examine Mr. B, you have trouble detecting his lung sounds on the left. Even stranger, his apical heart sound is in the wrong place - it is over toward the right side of his chest. His respiration rate and heart rate are both increased, and he is struggling to breathe. "Let's give him a little oxygen. He'll be a lot better in a half-hour," says the CNS. "Check back on him."

QUESTION - Why would accumulation of air in his pleural space cause his heart sounds to be in the wrong place?

Accumulation of air in Mr B pleural space will cause his heart sound to be heard in the wrong place because the left side is his chest is being filled up with air making the organs in his chest to to be pushed over to the right side.

6 0
3 years ago
New cells are created from ______ ______.
katen-ka-za [31]

Explanation:

New cells are created from existing cells through a process referred to as the cell cycle

3 0
3 years ago
If the Oort cloud contains 1012 comets, and ten new comets are discovered coming close to the Sun each year, what percentage of
scoray [572]

Answer:

The correct answer is 4.6 percent.

Explanation:

The Oort cloud refers to the clouds of icy objects, which is present in the outermost section of the solar system. These are the disperse layer of clouds found in the external layer of the solar system.  

In the given question, it is given that the number of comets in the Oort cloud is 10^12 comets.  

The number of comets getting close towards the Sun is 10 comets in a year.  

The age of the solar system is 4.6 * 10^9 years

The number of comets used since the start of the solar system is,  

(4.6 * 10^9 years) (10 comets/year)

= 46 * 10^9 comets

Thus, the number of comets disappeared since the beginning of the solar system is 46 * 10^9 comets.  

The initial number of comets at the start of the solar system is 10^12 comets.  

The percentage of comets that are used up are:  

(change in no of comets) / (initial no of comets) % = (46 * 10^9 comets) / (10^12 comets) * 100

= 4.6 percent.  

3 0
4 years ago
Which insect goes through complete metamorphosis
ludmilkaskok [199]
The correct answer to this is the butterfly. hope this helps :)
4 0
4 years ago
Read 2 more answers
A fine-grained soil deposited by wind is called _________, while a large region of sand is called a(n) _________
Zinaida [17]
loess and desert ........
5 0
3 years ago
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