All of the following are true about the structure of DNA except
a. short strands of DNA are contained in chromosomes inside the nucleus of a cell.
b. every DNA nucleotide contains a sugar, a phosphate group, and a base.
c. DNA consists of two strands of nucleotides joined by hydrogen bonds.
d. the long strands of nucleotides are twisted into a double helix.
Ans: a. short strands of DNA are contained in chromosomes inside the nucleus of a cell.
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________ microbiology involves the use of microorganisms to make products such as antibiotics, vaccines, steroids, alcohols, vitamins, amino acids, and enzymes.
Fill in the blank(s) with the appropriate word(s).
The first and best-known DNA amplification technique is ________.
A) the polymerase chain reaction B) Okazaki synthesis C) Sanger sequencing D) next-generation sequencing
The first (capitalized) word of an organism's two-part scientific name denotes the _________.
Fill in the blank(s) with the appropriate word(s).
Gene therapy
a. has never been used successfully with mammals. b. is a surgical technique that separates chromosomes that have failed to segregate properly during meiosis II. c. has been used successfully to treat victims of Huntington's disorder by removing the dominant damaging autosomal allele and replacing it with a harmless one. d. offers the possibility of replacing defective alleles with normal ones. e. may be used to clone individuals.