The primary structure of a protein is critical for its eventual
final shape. Thinking backwards, what does this mean about
the information contained in a gene?
It means that the gene possesses all of the information
required for the primary structure and eventual final shape
of the protein. Consequently, if there's any aberration in
the genetic sequence then the protein will not be made
correctly, and will likely not be fully functional. This is the
case with sickle cell anemia (page 105), where a small
change in the gene for hemoglobin results in misshapen
hemoglobin proteins.
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What factors in Mrs. Caldwell's history may affect her ability to eat? What are the most likely causes of these symptoms? Is it realistic to expect that they will change?
What will be an ideal response?
What is muscle atrophy?
a. Loss of muscle size and strength b. Muscle cramps arising from insufficient warm-up c. Muscle spasms resulting from too-rapid progressive overloading d. Alterations in heart muscle contractions when first initiating a fitness program e. Muscle changes associated with the use of anabolic steroids
Which nutrients are required in higher amounts during pregnancy due to their roles in the synthesis of red blood cells??
A) ?protein and chromium B) ?folate and vitamin B12 C) ?calcium and vitamin A D) ?vitamin E and vitamin C
The bioavailability of a mineral can be affected by the body's need for the mineral.
a. True b. False