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Gekata [30.6K]
3 years ago
13

How to find solvent?

Biology
1 answer:
Helen [10]3 years ago
4 0

Answer:

here

Explanation:The concentration of a solution can be given in moles of solute dissolved per kilogram of solvent.

This is known as molality.

(Not to be confused with molarity which is a different measure of concentration.)

Molality is given the symbol m.

molality = moles of solute ÷ mass of solvent in kilograms

m = n(solute) ÷ mass(solvent in kg)

A solution containing 3 moles of solute per kilogram of solvent for example, is said to be 3-molal or 3m.

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3 years ago
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A theoretical protein, blue2, is coded for by the blu2 gene. This protein codes for a blue pigment used by the organism to prote
Reika [66]
The question is:
What may be observed as a result of the described mutation in an individual? 

<span>1) Skin cancer due to UV rays </span>
<span>2) Darker blue pigmentation </span>
<span>3) A lack of alterase for other functions it may serve </span>
<span>4) The release of a different pigment color

The correct answer is B.
In this theoretical molecular cascade, we have three key parts, the blue2 gene, the blue2 operator and the enzyme alterase.
The enzyme alterase stops the expression of the blue2 gene by binding  to its operator, and therefore the blue pigment protein.
The blue2 operator has a specific binding spot for alterase. If this binding spot is changed due to a conformational change, the alterase would not be able to bind to the operator and the blue2 gene could express undisturbedly, resulting in increased concentration of the blue pigment protein.</span>
4 0
4 years ago
True/False
gogolik [260]

Answer:

t t f t f

Explanation:

3 0
3 years ago
Are euglena unicellular or multicellular?
slava [35]

Answer: unicellular

Explanation: Euglena are unicellular organisms classified into the Kingdom Protista, and the Phylum Euglenophyta. All euglena have chloroplasts and can make their own food by photosynthesis.

I really hope this helps!

4 0
4 years ago
What’s this answer ???
Sauron [17]

Answer:

heterozygous

Explanation:

             R             r

         _____________

R         RR            Rr

r          Rr              rr

Hope this helps!!

6 0
3 years ago
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