Question

The blood sample consists of dead cells that are breaking apart into their basic
molecular building blocks. What type of molecule is best suited for identifying the
specimen?
a) Lipids
b) DNA
c) Proteins
d) RNA

Answer 1

Answer:

I think the answer is b. DNA

Answer 2

The  type of molecule that is BEST suited for identifying the specimen is DNA.

• Deoxyribonucleic acid (DNA) is a molecule that carries the genetic material of almost all organisms.

• The DNA molecule consists of two long chains of nucleotides, which are held together by hydrogen bonds.

• In DNA, there are four types of nucleotides, each one containing four different nitrogenous bases (i.e., Adenine, Guanine, Cytosine and Thymine).

• The order of the nucleotides in a DNA fragment is highly specific and therefore it can be used for the identification of different organisms/specimens.

In conclusion, the type of molecule that is BEST suited for identifying the specimen is DNA.

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