The Mutation That Causes SCD Causes What Kind of Change

question 45

Multiple Choice

The mutation that causes SCD causes what kind of change in the structure of hemoglobin?

• A)decreases heme-binding ability
• B)fewer chains of amino acids (trimeric rather than tetrameric structure)
• C)a single amino acid substitution that alters the structure of the tetramer
• D)addition of a single amino acid that causes a longer protein subunit
• E)loss of a single amino acid that causes a frameshift and premature stop codon

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Definitions:

Net Present Value

A calculation used to determine the value of a future stream of income or expenses discounted back to the present value.