You determine the amino acid sequence of a protein and find it contains a long sequence of methionine, followed by a long sequence of proline, followed by a long sequence of valine
Using these data you predict the sequence of this protein's secondary structure will be _____.
A) beta sheets, then a region of no secondary structure, then beta sheets
B) alpha-helices, then a region of no secondary structure, then alpha helices
C) beta sheets, then a region of no secondary structure, then alpha-helices
D) alpha-helices, then a region of no secondary structure, then beta sheets
Answer: D
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In animals, one group of homeobox genes, the Hox gene family, regulates the development and location of structures
such as legs and wings along the anterior-posterior axis of the body.
a. True b. False
When the heart’s pacemaker malfunctions ___
can result.
a. artherosclerois b. sudden cardiac arrest c. congenital heart defect d. coronary heart diseases e. hypertrophic cardiac defect
Active transport pumps typically move solutes from areas of ____ concentration to areas of ____ concentration
a. high; low b. low; high c. neutral; high d. neutral; low e. low; neutral
Assemblies of macromolecules are referred to as ________ complexes.
A. ultramolecular B. maximolecular C. supramolecular D. metamolecular