In eukaryotic cells, if you compared the DNA sequence of a gene with the sequence of the processed mRNA that was transcribed from the gene you would find
A. both are the same length.
B. the mRNA is shorter because it does not contain introns.
C. the mRNA is longer because each codon of one amino acid encodes three bases.
D. the mRNA is shorter because each codon of three bases encodes only one amino acid.
E. the mRNA is shorter because it does not contain exons.
B. the mRNA is shorter because it does not contain introns.
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After doing PCR on the same region between two individuals, you notice that each person's DNA yielded pieces of different sizes. Which of the following is the most likely explanation?
A. A mistake was done during the PCR. B. A mistake was done during the gel electrophoresis. C. This is an example of VNTRs. D. This is an example of RFLPs. E. None of the answer options is correct.
The scientist who received the first Nobel Prize in Medicine for his work on antibody therapy was
A. Koch. B. von Behring. C. Jenner. D. Roux.
According to Mendel's law of equal segregation, an Aa monohybrid makes two types of gametes with equal frequency. These two gamete types are:
A) AA and aa B) A and a C) Aa and aa D) AA and Aa
The kidney filters about 180 liters of blood per day.
a. true b. false