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nadya68 [22]
3 years ago
5

Which substance is a compound? water gold oxygen hydrogen HURRY PLEASE !!

Biology
2 answers:
Ray Of Light [21]3 years ago
7 0
Oxygen is a compound.
VashaNatasha [74]3 years ago
3 0

Answer:

water is is a compound substance

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Which enzyme is mixed with a DNA sample before gel electrophoresis
Svetach [21]

Answer:

Restriction enzyme

Explanation:

  • Gel electrophoresis is a process or a technique in which fragments of DNA  are separated in terms of their sizes.
  • <em><u>The restriction enzyme is mixed with a DNA sample before the process. The restriction enzyme cut DNA at specific points into fragments which can then be separated based on their sizes on an agarose gel.</u></em>
  • When current is applied to the gel DNA move towards the positively charged electrode since DNA is negatively charged, with shorter fragments migrating faster through the gel in comparison with large fragments.
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3 years ago
What does it mean to be selectively or semi permeable?
Mama L [17]
Semi permeable means that some things can go in and out of the cell, but some cannot. Permeable means it allows things to pass through it, so semi permeable means only some things pass through.
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3 years ago
What is the outcome of amino acids if someone overeats protein and calories in general?
Alex73 [517]

The outcome of amino acids if someone overeats protein and calories in general is "the amino acids are stored as fat".

<h3>What is amino acid?</h3>

Amino acids are molecules that combine to form proteins. Amino acids and proteins are the building blocks of life.

You need amino acids for vital processes such as building proteins, hormones, and neurotransmitters.

Amino acids are concentrated in protein-rich foods such as;

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  • egg
  • soybeans, etc

<h3>What are calories?</h3>

Calorie is a unit of energy. This derived from eating energy giving foods.

Excess calories in the body is often store d as fat.

Thus,  the outcome of amino acids if someone overeats protein and calories in general is "the amino acids are stored as fat".

Learn more about amino acids here: brainly.com/question/1302816

#SPJ1

6 0
2 years ago
How are the layers of the earth alike and different?
Katyanochek1 [597]

Answer:

Well, Earth is the same way! Earth is made up of several different layers, each of which has unique properties. Both parts of the core are made up of mostly iron and some nickel. The difference is that in the inner core, those minerals are solid and in the outer core, they're liquid.

3 0
2 years ago
Which of the following is not correct? All cells _____.
motikmotik
The answer would be <span>photosynthesize. Only plant cells use the process of photosynthesis to create ATP.</span>
3 0
3 years ago
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