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Molodets [167]
3 years ago
11

Which pair of statements best describes an essential amino acid?

Biology
2 answers:
meriva3 years ago
8 0

Answer:

Choice C

Explanation:

anygoal [31]3 years ago
5 0

Answer: It is an amino acid that cannot be made by the body. It must be obtained from eating certain foods.

Explanation:

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All the radiation absorbed in the Earth's atmosphere is absorbed in the stratosphere.
Blizzard [7]

Answer:

true

Explanation:

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3 years ago
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During convection, _________, less dense <br><br> fluid rises and ________, denser fluid sinks.
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Warmer, colder

Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.

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3 years ago
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Which symbols (genotypes) are involved in the cross to produce the F2 generation of pink flowers?
babunello [35]
R  R      Rr is the result of 1st punnet square and the genotype used to produce f2
r
r
8 0
3 years ago
A trait that is masked by a dominant trait is called _____.
melisa1 [442]

Recessive traits thats what they are called


8 0
3 years ago
Suppose an animal is heterozygous AaBb, and the traits are not linked. When meiosis occurs, what is the total number of possible
GrogVix [38]

Answer:

4 possible combinations of gametes

Explanation:

The animal is considered an heterozygotic dihybrid because it involves two genes that have different alleles for both genes. The dihybrid animal undergoes meiosis to produce gametes. According to Mendel in his laws of segregation and independent assortment, the alleles of the two genes separate into gametes independently of one another to produce 4 types of gametes.

Number of possible combinations of gametes formed by an heterozygote can be determined by using 2^n, where n is the number of characters. Number of characters or genes involved in this case is 2, Hence, 2^2 = 4 gametes.

The allelic combination in the four gametes are: AB, Ab, aB, ab.

7 0
4 years ago
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