Each intact ribosome consists of a large and a small subunit made mostly of catalytic rRNA. A ribosome also consists of:

a. structural proteins
b. free amino acids
c. DNA
d. lipids
e. enzymatic proteins


a

Biology & Microbiology

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Which of the main taste types for which we have receptors is important for detecting possible toxic substances?

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Which is/are true of viruses?

A. They may suppress the production of MHC Class I protein. B. They may produce an MHC Class I mimic protein. C. They may prevent cell suicide. D. They may bind to MHC class II antigens. E. They may suppress the production of MHC Class I protein, they may produce an MHC Class I mimic protein, AND they may prevent cell suicide.

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Approximately, how many gene products are

involved in the synthesis of melanin?

a. 10 b. 25 c. 50 d. 100 e. 1000

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Supertasters for the chemical PTC are ____________

A. homozygous dominant B. heterozygous C. homozygous recessive D. either homozygous dominant or homozygous recessive E. either homozygous dominant or heterozygous

Biology & Microbiology