During a DNA profiling analysis, short tandem
nucleotide repeats are first
a. subjected to high heat.
b. inserted into a plasmid.
c. chopped up using a restriction enzyme.
d. placed on a gel for electrophoresis.
e. amplified using PCR
E
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The study of how genes are transferred from parents to their children and the role of genes in health and disease is known as
a. Genomics b. Genetics c. Proteomics d. Transcriptomics
The main benefit to a plant from a mycorrhizal association is ____
a. enhanced water uptake b. removal of excess carbohydrates c. enhanced flow of carbohydrates to the roots d. enhanced mineral ion uptake e. enhanced protection of roots from bacterial infections
High levels of citric acid inhibit the enzyme phosphofructokinase, a key enzyme in glycolysis. Citric acid binds to the enzyme at a different location from the active site. This is an example of _____
A) competitive inhibition B) allosteric regulation C) the specificity of enzymes for their substrates D) positive feedback regulation
The green sulfur bacteria ________.
A. deposit granules of sulfur outside the cell B. deposit granules of sulfur within the cell C. do not deposit granules of sulfur D. deposit granules of sulfur within and outside the cell