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kotykmax [81]
3 years ago
12

How do the number of electrons in the second energy shell of an atom change going across period 2 in the periodic table?

Biology
1 answer:
Viktor [21]3 years ago
7 0
C. But be aware it increases in the third shell by 1 from left to right
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HELP I'M REALLY CONFUSED!!!
Airida [17]
I guess its D im not sure
7 0
3 years ago
What other compound must be present along with urea for the urease enzyme to break down urea?
MaRussiya [10]

Water is the compound must be present along with urea for the break down of urea.Thus, option B is correct.

<h3>What does urea break down into?</h3>

Urea and water combined together and results  into the production of carbon dioxide and ammonia with the help of urease enzyme.

Urea + water = Carbon dioxide+ ammonia

Breakdown of urea occurs in a cycle known as urea cycle and it has five important steps:

  • Formation of carbamoyl phosphate
  • Synthesis of citrulline
  • Cleavage of argininosuccinate
  • Glucogenic and ketogenic amino acids
  • Oxidation of Carbon skeleton of amino acids

Therefore,water is the compound must be present during the process of break down of urea.Thus, option B is correct.

Learn more about break down of urea here:

brainly.com/question/11486679

#SPJ4

Your question is incomplete,but most probably your full question was,

What other compound must be present along with urea for the urease enzyme to break down urea?

A.ammonia

B.water

C. pyruvic acid

D. carbon dioxide

7 0
1 year ago
A student prepared a slide of pollen grains from a flower. First the pollen was viewed through the low-power objective lens and
bearhunter [10]

Answer:

(2) low power: 100 small pollen grains

high power: 25 large pollen grains

Explanation:

Compound light microscopes are devices used to greatly magnify objects. They have several objective lenses, a low-power lens magnifies 10 times (10X) the objects, and the high-power lens magnifies them 40 times (40X).

For that reason, when observing the pollen grains with the high-power lens the student will see them bigger than with the low-power lens. However, the field of view (the visible area through a lens) is reduced when a higher power lens is used, so fewer pollen grains will be seen.

The answer therefore is the option of higher number of pollen grains of small size for the low-power lens, and lower number of pollen grains of larger size for the high-power lens.

3 0
3 years ago
Why time taken for cake in silicon container is more faster than cake in metal container. ​
Karolina [17]

Answer: the heat

Explanation:

see a silicon dosent

obsorb as much heat as metal say if your coking something and you have a pan then the pan gets hot a silicon really absorb the heat as fast

7 0
3 years ago
What is the relationship between a protein the cell and DNA?
Flauer [41]

Answer:

Cells contain DNA that controls the production of proteins. (2) DNA is composed of proteins that carry coded information for how cells function. (3) Proteins are used to produce cells that link amino acids together into DNA. (4) Cells are linked together by proteins to make different kinds of DNA molecules.

Explanation: Hope this helps!! :)

7 0
3 years ago
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