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densk [106]
2 years ago
14

Variables and controls are chosen during which step of scientific inquiry?

Biology
1 answer:
m_a_m_a [10]2 years ago
8 0

Answer:

I think Experimentation :)

Explanation:

apologies if its incorrect.

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Blood type A- would give which of the following results?
natka813 [3]

Answer:

(B) agglutination with anti-A antibodies.

Explanation:

ABO blood type is based on two types of antigens: A and B antigens. The anti-A antibodies react with antigen A while anti-B antibodies react with antigen B.  

Blood type A has antigen A on the surface of its red blood cells and anti B antibodies in its plasma. Due to the presence of antigen A on its red blood cells, the blood type A shows agglutination with anti A antibodies.  

7 0
3 years ago
Which of the following statements about DNA are true?
Setler [38]

Answer:D

Explanation:

7 0
3 years ago
Which level of classification includes the fewest organisms? A) kingdom B) phylum C)class D) order
oksian1 [2.3K]
Option D order includes fewest organisms
8 0
2 years ago
A PICC line is a short catheter inserted into the jugular vein. A PICC line is a catheter that allows for infusion of intravenou
creativ13 [48]

Answer:

A PICC line is a long catheter inserted through the veins of the antecubital fossa.

Explanation:

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The long catheter is inserted in the body through the skin mainly at the peripheral site of the body. This can be inserted for the weeks depending on the severity of treatment. The veins of the antecubital fossa is used for the insertion of the tube.

Thus, the correct answer is option (3).

3 0
3 years ago
What are the rungs of the dna ladder made of?
dangina [55]
The sides of the ladder are made of alternating sugar<span> and </span>phosphate<span> molecules. The </span>sugar<span> is </span>deoxyribose<span>. The rungs of the ladder are pairs of 4 types of nitrogen bases. Hope this answers the question. Have a nice day.</span>
5 0
2 years ago
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