A population genetic study of a certain insect revealed four alleles for the GPI (glucose-phosphate isomerase) locus. How many different genotypic classes should be found?
A) 4
B) 8
C) 10
D) 16
E) 20
C
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A repressor protein would enhance the ability of TFIID to bind to the TATA box of the promoter
Indicate whether the statement is true or false
Which is not true of mitochondria and chloroplasts?
A. They are found in all organisms. B. They contain DNA and 70S ribosomes. C. They are capable of performing protein synthesis. D. They generate ATP.
Semi-enclosed areas of the coastal ocean where seawater is diluted and partially mixed with freshwater coming from the land are referred to as
A) eddies. B) coastal reservoirs. C) tidal basins. D) estuaries.
To produce angiotensin II, what must be secreted from the kidney to convert angiotensinogen to angiotensin I, which is then converted to angiotensin II by angiotensin converting enzyme?
A) renin B) angiotensinogen C) preangiotensin D) vitamin D3 E) erythropoietin