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
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The DNA-protein complex in eukaryotic chromosomes is called the genome
Indicate whether the statement is true or false
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.
Cholesterol and lecithin are building blocks of
a. proteins. b. carbohydrates. c. fats. d. cell membranes. e. ribosomes.
The electron transport systems in eukaryotes and prokaryotes use different electron carriers.
Answer the following statement true (T) or false (F)