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givi [52]
3 years ago
12

What has to happen befor a cell can divide?

Biology
2 answers:
9966 [12]3 years ago
7 0
A

Hope this helps!!!:)
Gnesinka [82]3 years ago
3 0

Answer:

A: DNA has to double

Explanation:

In the process of every cell division, the cell must double "replicate" its  chromosomal DNA in the process.

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A client undergoing a skin test has been intradermally injected with a disease-specific antigen on the inner forearm. The client
yarga [219]

Answer:

Yes, there is a need to assure the client that this is a normal reaction.

Explanation:

In the given case, it is the duty of a nurse to assure the patient that swelling takes place while performing intradermal vaccination. As with the administration of disease-specific antigens, the injected area inflames that generally takes place due to the development of antibodies against the presented antigens.  

Thus, both the patient and the nurse need to be calm in such a situation and should leave the swelling open so that it can get heal by itself. In case, if one applies ice packs or rubs the affected area, it can enhance the condition and may result in more issues.  

8 0
3 years ago
6. Which of the following best describes the flow of energy in a food web that contains the following organs zooplankton, bacter
vredina [299]

Answer:

phytoplankton --> zooplankton --> fish --> bacteria

Explanation:

the answer is b

6 0
3 years ago
What is a subpolar low
trasher [3.6K]

Answer:

Subpolar low. Subpolar lows: semi-permanent cyclone where surface midlatitude southwesterlies converge with the polar northeasterlies. Subpolar lows, the Aleutian low over the North Pacific Ocean and the Icelandic low over the North Atlantic , are well-developed in winter, but weaken or disappear in summer.

4 0
4 years ago
15 Activation energy is the energy that a system must have before a chemical reaction can occur.?
Bezzdna [24]

Answer:

true

Explanation:

I hope it helps

please follow me for more answers

8 0
3 years ago
Select all the correct answers.
KatRina [158]

Answer:

Explanation:

True:

The universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago.

This is true because it is exactly how we know how old the universe is, it is also how we know it began "at a point" or at least that it used to be very dense.

False:

Human life is more valuable than other forms of life on Earth because humans are more intelligent than other organisms.

What this is implying is that somehow we are better than other organisms. There is no evidence that supports this claim.

True:

Ocean tides are caused by the uneven gravitational pulls of the Moon and Sun on different parts of Earth.

This is why there are tides and it has direct evidence.

False:

The opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on Earth.

What people think (most of the time) is wrong. People can "know" things but that doesn't mean they are true. this is what neil degras tyson calls a "self truthe". You can't base your claim off of what people claim rather you should do a real scientific experiment.

<u>I hope it helped!!!</u>

<em>Wbob1314</em>

7 0
3 years ago
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