A peptidoglycan-like polymer found in the cell walls of some Archaea is called ________.
Fill in the blank(s) with the appropriate word(s).
pseudomurein
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Intrinsically unstructured proteins:
A. have no function because they are unstructured. B. only function in membranes. C. are capable of binding to several different sites on different partners. D. are more common in bacteria than in humans. E. are only observed in diseased cells.
How many nucleotides are contained in a single codon?
A. 1 B. 3 C. 4 D. 6 E. 9
Besides sending messages to and from the brain, the spinal cord has another important function: Reflexes. In fact, in very simple animals, that is the main function of the cord. In higher animals, reflexes are important because they provide
_____ protection from sudden or unexpected environmental harms. _____ stimulation of the brain as a protection against atrophy in situations where voluntary movement is hindered, such as a coma. _____ objective physical evidence of neurological injury. _____ maintenance of life-sustaining processes such as breathing and heart beat, even while sleeping or unconscious.
What are the main roles of testosterone in males?
a. Stimulates spermatogenesis b. Formation of external genitalia c. Development of secondary sex characteristics d. All of the above