Which technique can be used to identify Down syndrome in a developing fetus?

A) PCR
B) Southern blot
C) Chorionic villus sampling
D) Gel electrophoresis
E) RFLP


C

Biology & Microbiology

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The DNA-protein complex in eukaryotic chromosomes is called the genome

Indicate whether the statement is true or false

Biology & Microbiology

Primers are used in both PCR and in DNA sequencing. What is the purpose of the primers?

A. to separate the DNA template strands. B. to provide a 3'- OH for DNA polymerase to build a new DNA strand. C. to terminate synthesis of the growing DNA strand. D. to separate various-sized DNA products. E. to add nucleotides to a growing DNA strand.

Biology & Microbiology

Cholesterol and lecithin are building blocks of

a. proteins. b. carbohydrates. c. fats. d. cell membranes. e. ribosomes.

Biology & Microbiology

The electron transport systems in eukaryotes and prokaryotes use different electron carriers.

Answer the following statement true (T) or false (F)

Biology & Microbiology