Sometimes swabs are taken of the inside of the mouth for DNA sampling. What type of cell is being collected?
Simple columnar epithelium
Stratified columnar epithelium
Simple cuboidal epithelium
Stratified squamous epithelium
D. Stratified squamous epithelium
Biology & Microbiology
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If you want to affect chromatin packaging, which amino acid could you mutate to affect both histone acetylation and methylation patterns?
A) arginine B) methionine C) histidine D) lysine E) asparagine
Biology & Microbiology
Serves as an intracellular second-messenger molecule
a. Adenylate cyclase b. G-protein c. Carrier protein d. cAMP e. Ion channel receptor protein
Biology & Microbiology
What is encoded by the transfer region of the F plasmid?
What will be an ideal response?
Biology & Microbiology
Modern pregnancy tests use ________ antibodies produced against a pregnancy hormone as the antigen.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology