In humans, if the SRY gene is not expressed, the unspecialized gonads develop into

A) testes.

B) ovaries.

C) a tumorous mass.

D) gametes.


B) ovaries.

Biology & Microbiology

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Four of the five answers listed below are

related to RNA synthesis. Select the EXCEPTION.

a. nucleotides b. thymine c. RNA polymerase d. messenger RNA e. DNA

Biology & Microbiology

Transmembrane proteins involved in detecting external chemical signals and relaying that information to the cell are known as ________ proteins

Fill in the blank with correct word.

Biology & Microbiology

Which of the following genes would most likely play a role in promoting kin selection?

A. the genes important for the development of large antlers in the caribou B. Major Histocompatibility Complex (MHC) genes -- allow mammals to recognize related individuals C. SRY -- the gene that initiates male sex determination D. wingless -- critical for the formation of wings in fruit flies

Biology & Microbiology

Enzymes that catalyze removal of carbon dioxide from a substrate are called

A. ligases. B. phosphotransferases. C. decarboxylases. D. aminotransferases. E. oxidoreductases.

Biology & Microbiology