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:

Flashbulb Memory

Highly detailed and vivid memory of a moment and the circumstances surrounding a significant or shocking event.

Procedural Memory

Procedural memory is a type of long-term memory involved in the acquisition of skills and procedures that are performed automatically or unconsciously.

Implicit Memory

A form of memory that allows us to execute activities without being consciously aware of past experiences that influence these actions.

Very Recent Memory

Relates to the capacity to recall information or events that have occurred in the immediate past, typically minutes to hours ago.