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Vinil7 [7]
3 years ago
8

Could a child inherit a dominant trait if neither of her parents express the dominant trait? show the cross

Chemistry
1 answer:
bearhunter [10]3 years ago
4 0

Answer:

yes it does

Explanation:

I searched it up

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Suppose that Biuret reagent turns purple when it is added to an unknown substance. What can you conclude about the substance?
Oksi-84 [34.3K]

Answer:

the unknown substance is a protein

Explanation:

The biuret test is one of the tests for proteins. It  can be used to  detect peptide linkages. The biuret test is carried out in an alkaline solution. A coordination complex is formed  leading to the appearance of a  violet color.

Summarily, the biuret method is a colorimetric technique used to test for proteins and peptides.  It involves the formation of  a purple (violet) complex of Copper salts in alkaline solution.

Hence when the biuret reagent is added to an unknown substance and it turns purple, the unknown substance is a protein

6 0
3 years ago
A standard room temperature and pressure, most of the elements on the periodic table are
IgorC [24]
Gasses i’m pretty sure.
6 0
3 years ago
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1 Which of the following is an example of periodicity?
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Answer:

A:UNDERSTANDING CONCEPTS PART A 13) Which of the following is an example of periodicity? A) eating breakfast

8 0
2 years ago
How is a joule defined?
andreyandreev [35.5K]

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A. It is the work done when a force of 1 newton is applied to an object for a distance of 1 meter

Explanation:

5 0
3 years ago
Suppose a 5.00 l sample of o2 at a given temperature and pressure contains 1.08
arsen [322]
Missing question: <span>A 5.00 L sample of O2 at a given temperature and pressure contains a 1.08x10^23 molecules. How many molecules would be contained in each of the following at the same temperature and pressure? </span>
a) 5.00 L H2.
<span>b) 5.00 L CO2.
Use </span>Avogadro's Law: The Volume Amount Law: <span>equal </span>volumes<span> of all gases, at the same temperature and pressure, have the same </span>number<span> of molecules. Because hydrogen and carbon(IV) oxide are gases, number of molecules are the same as number of oxygen molecules, so:
a) N(H</span>₂) = 1.08·10²³.
b) N(CO₂) = 1.08·10²³

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3 years ago
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