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kkurt [141]
3 years ago
6

Where are valence electrons located in an atom?

Biology
2 answers:
Zolol [24]3 years ago
8 0
The answer would be 
A) In the outer level.
allsm [11]3 years ago
4 0
In the outer shell. So, A the outer level. 
I hope that this helps.
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Which type of organic molecule is made up of simple sugars that form long chains?
LiRa [457]

Answer:

Carbohydrates

Simple sugars are known as monosaccharides. Carbohydrates also include long chains of connected sugar molecules. These long chains often consist of hundreds or thousands of monosaccharides bonded together to form polysaccharides.

Explanation:

Carbohydrates

Simple sugars are known as monosaccharides. Carbohydrates also include long chains of connected sugar molecules. These long chains often consist of hundreds or thousands of monosaccharides bonded together to form polysaccharides.

4 0
3 years ago
Why is only one nucleotide added at a time during DNA replication?
IceJOKER [234]

Answer:

answers is to increase DNA mutations

<h2>this is correct answer</h2>

l hope it's helpful for u...

3 0
2 years ago
Em um borboletário estão presentes duas amostras de ar isolados do ambiente, mas sem nenhuma identificação. sabe-se que uma é de
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3 0
3 years ago
The liver forms glucose from noncarbohydrates. stores vitamin
Viefleur [7K]
<span>The propositions are:
a. forms glucose from </span><span>noncarbohydrates
b. does all of these
c. destroys damaged red blood cells
d. stores vitamin D
e. forms urea

The right answer is: B. </span>does all of these

*The liver plays a role in the metabolism of carbohydrates:- gluconeogenesis (manufacture of a new glucose molecule from a non-carbohydrate molecule);- glycogenolysis (release of glucose from glycogen) under the effect of glucagon;- gluconeogenesis (storage of glucose in the form of glycogen) under the effect of insulin
*It stores fat-soluble vitamins (A, D, K and E) and glycogen.*It converts ammonia to urea (detoxification)<span>*It recycles substances from the senescent red blood cells.</span>
4 0
3 years ago
Blue poppies native to China were grown at a plant-breeding center in California. The plants with the thickest leaves were most
DIA [1.3K]

Answer:

Directional selection

Explanation:

Directional selection is a type of natural selection that favors one extreme phenotype of a genetic trait due to its survival and reproductive advantage to the individuals over another extreme phenotype and the intermediate phenotype.

In the given example, the thick-leaved plants are better adapted to a drier climate due to reduced water loss. Directional selection favored the plants with thick leaves which in turn produced more progeny. Over the generations, the population evolved into the one having more number of thick-leaved plants.

8 0
3 years ago
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