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Elena L [17]
3 years ago
9

Bill wants to determine his blood type, so he takes a few drops of blood from a puncture wound in his finger and mixes it with v

arious antisera. His blood cells agglutinate when mixed with the anti-A serum but not with the anti-B. Therefore, which of the following is true?a.Bill could receive type B blood in a transfusion.b.Bill could donate blood to an individual with type B blood.c.Bill is Rh positive.d.Bill's plasma contains B antibodies.e.Bill's plasma would cross-react with type O red blood cells.
Biology
1 answer:
natita [175]3 years ago
6 0

Answer:

The correct answer is d Bill"s plasma contain B antibodies

Explanation:

As Bill"s plasma contain B antibodies that"s why his blood cells do not aggutinate when mixed with anti B serum.

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Full Question (figure attached):

Nucleic acid segments and ar

DNA and RNA are nucleic acids that can store biological information based on the sequence of their nucleotide monomers. Figure 1 shows a short segment of each of the two types of nucleic acids. Which of the following best describes a structural difference between DNA and RNA?

A. DNA contains four types of nitrogenous bases, whereas RNA contains only two types of nitrogenous bases

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose.

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Answer:

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose.

Explanation:

A. DNA contains four types of nitrogenous bases, whereas RNA contains only two types of nitrogenous bases - this is false. Both contain four types of nitrogenous bases. DNA contains cytosine, guanine, adenosine and thymine, whereas RNA contains cytosine, guanine, adenine, and uracil.

B. The backbone of DNA contains deoxyibose, whereas the backbon e of RNA contains ribose. - this is true, each nucleotide in DNA contains a deoxyribose sugar, whereas each nucleotide in RNA contains a ribose sugar

C. A DNA molecule is composed of two parallel strands with the same 5'-3' directionality, whereas an RNA molecule is composed of only one strand - this is false. DNA is composed of 2 strands, and RNA is composed of one, but the DNA strands run in an anti-parallel configuration (one runs 5'-3', the other runs 3'-5')

D. Phosphate groups provide rigidity to DNA, but RNA is flexible and contains no phosphate groups - this is false, both DNA and RNA nucleotides contain phosphate groups

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