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sergij07 [2.7K]
3 years ago
7

Question 3 (1 point) What is the relationship between a chromosome and DNA?

Chemistry
1 answer:
creativ13 [48]3 years ago
3 0

Answer:chromosome is made of DNA. DNA is double helix structure made of sugar, phosphorus and nitrogen bases.

Explanation:

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sergiy2304 [10]
Looks like it would be A................
3 0
3 years ago
a nuclide of 64/29 cu absorbs a positron. witch is the resulting atom? (A) 65/29Cu (B) 63/29 CU (C) 64/28Ni (D) 64/30 Zn
Nesterboy [21]

Answer : Option D) Zn^{64}_{30}

Explanation : When a positron is getting absorbed it means it will be e^{+1}_{0} so, the Cu^{64}_{29} will get converted;

So, the whole reaction will be;

Cu^{64}_{29} + e^{+1}_{0} ----> Zn^{64}_{30}.

This will convert the whole element of Cu will get changed into Zn. As, it absorbs by the positron, the atomic number gets increased from 29 to 30.

4 0
3 years ago
Reactions cannot occur without a certain minimum amount of energy. what is this minimum amount of energy called?
Dovator [93]
This type of energy would be called reaction energy.
4 0
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A certain shade of blue has a frequency of 7.00 × 1014 Hz. What is the energy of exactly one photon of this light?
NeTakaya
Energy = Planck's constant * Frequency 

E = (6.62607004 × 10⁻³⁴<span>) * 7 * 10</span>¹⁴

E = 46.38 * 10⁻²⁰

E = 4.638 * 10⁻¹⁹ J

Hope this helps!
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What is the chemical symbol for magnesium
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