A gene expression microarray has
A) an entire genome of DNA, cut into hundreds of pieces, attached to a small plastic or glass square.
B) short pieces of DNA of known sequence attached to a small plastic or glass square.
C) short pieces of RNA of known sequence attached to a small plastic or glass square.
D) amino acids attached to a small plastic or glass square.
B) short pieces of DNA of known sequence attached to a small plastic or glass square.
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A physician reports to you the lab results in identifying your genetic condition relating to your skin health. "DNA fingerprint" information indicates that you have two different versions of the allele for a particular skin protein, and this is called
a. heterozygous. b. homozygous. c. dominant. d. homologous. e. recessive.
It is beneficial to study microbial communities in situ because ________.
A. microbes can be studied even if they are nonculturable B. gene expression may be different in an environmental sample versus an anexic culture C. in situ studies maintain the relative concentrations of different microorganisms in a sample D. All of these are reasons to study microbial communities in situ.
All cells have protein or saccharide markers called:
a. histamines b. lymphocytes c. antibodies d. antigens
Present a detailed description of the actions of the regulatory proteins in inducible and repressible enzyme systems
What will be an ideal response?