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Irina18 [472]
3 years ago
13

The haploid cell of an organism has 18 chromosomes. How much would a diploid cell have?

Chemistry
1 answer:
Reika [66]3 years ago
6 0

Answer:

It would have 23 chromosomes.

Explanation:

A Diploid is a cell or organism that has paired chromosomes, one from each parent.

In humans, cells other than sex cells, a diploid will have 23 pairs of chromosomes.

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In Chapter 1 of Astrobiology, A Very Short Introduction, the author talks about some properties of one element in particular tha
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Answer:

Carbon

Explanation:

Carbon has four electrons in its valence shell, so it generally shares it in a covalent bond. This element needs four electrons to be stable, so it can form single (such as the bond with hydrogen), double (such as the bond with oxygen) or triple bonds (such as the bond with nitrogen).

It can also form bonds with other carbon, and they can form longs chains, that's why there are a lot of organic compounds (the compounds with carbon). Carbon can form rings too, such as in benzene.

7 0
3 years ago
Which of these is an example of a physical change?
igomit [66]
Liquid water turning into vapor.
4 0
3 years ago
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Whats the correct order of these?
Igoryamba
1109, 5.9 * 10 squared, -0.041, -4.2 times 10 to the -3, and -7.6 times 10 to the -5
Hope this helps
3 0
3 years ago
What is the energy of a photon that emits a light of frequency 6.42 x 1014 Hz?<br><br>​
svetlana [45]

Answer:

Option B. 4.25×10¯¹⁹ J

Explanation:

From the question given above, the following data were obtained:

Frequency (f) = 6.42×10¹⁴ Hz

Energy (E) =?

Energy and frequency are related by the following equation:

Energy (E) = Planck's constant (h) × frequency (f)

E = hf

With the above formula, we can obtain the energy of the photon as follow:

Frequency (f) = 6.42×10¹⁴ Hz

Planck's constant (h) = 6.63×10¯³⁴ Js

Energy (E) =?

E = hf

E = 6.63×10¯³⁴ × 6.42×10¹⁴

E = 4.25×10¯¹⁹ J

Thus, the energy of the photon is 4.25×10¯¹⁹ J

3 0
3 years ago
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Jim drops an iron magnet during a chemistry lab experiment. He finds that it is no longer magnetic. What has happened in terms o
jok3333 [9.3K]

Answer: option A.

A physical change occurred in which the iron remained iron, but lost one of its physical properties

Explanation: magnetization and demagnetization is a physical change as no new substance is form and it is easily reversed. When an iron rod is magnetized, it can loss it magnetic property by hitting it. So when an iron rod which is magnetized falls from a height it can also loss its magnetic property

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3 years ago
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