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Oxana [17]
3 years ago
5

Which best describes how scientists found the human gene that makes

Biology
2 answers:
Varvara68 [4.7K]3 years ago
7 0

Answer:

They worked backwards from mRNA to DNA  

Explanation:

Marysya12 [62]3 years ago
6 0

Answer:

They worked backwards from DNA to mRNA

Explanation:

did it for A P E X

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What is Tom Regan’s position about the use of animals in research and agriculture?
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Tom Regan's position about the use of animals in research and agriculture is that animals should never be used for medical research or commercial <span>agriculture. 
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2 years ago
Now that you have come up with an equation that describes the relationship between amounts of different nucleotide bases in DNA,
Colt1911 [192]

Answer:

G=21 %

T= 29 %

A= 29 %

Explanation:

Since C only binds to G, you have the same amount of C and G, so G is 21 %.

100 % minus 42 % ( 21 % C plus 21 % G=) equals 58 %.

So the other 58 % is made of T and A. Since T only binds to A , the half of the extra 58 % is T and the other half is A. Therefore 29 % is T and 29 % is A

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3 years ago
Which actions should a nurse take while caring for a preschooler whose blood lead level is found to be 25 mcg/dl? select all tha
netineya [11]
- Provide the family with lead education
- Consider treating the child with appropriate chelation therapy
- Refer the child to a clinical center specializing in lead poisoning

If the blood lead level<span> of a preschooler is found to be between 20 and 44 mcg/dL, the nurse should provide lead education to the family. The nurse should also consider treating the child with appropriate chelation therapy. The nurse may refer the child to a clinical center specializing in lead poisoning. The nurse should refer the child to social services if the child’s blood lead level is between 15 and 19 mcg/dL. The nurse should immediately provide diagnostic testing and initiate chelation therapy if the child’s blood lead level is 70 mcg/dL or greater.</span>
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2. How is the human immune system involved when a human is infected by
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Answer:

The answer is D

Explanation:

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