Steroid hormones and thyroid hormones ________ pass across the plasma membrane; they cause the target cells to ________ that produce the characteristic effects of the hormones.
A. cannot; synthesize specific proteins
B. can; activate or inactivate the cellular enzymes
C. can; synthesize specific proteins
D. cannot; activate or inactivate the cellular enzymes
Answer: C
Anatomy & Physiology
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The production of all formed elements is called __________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
In a 28-day cycle, estrogen levels peak at __________.
a. day 1 b. day 7 c. day 14 d. day 28
Anatomy & Physiology
Proteins prevent ions from crossing cell membranes.
Answer the following statement true (T) or false (F)
Anatomy & Physiology
In a sarcomere, the central portion of thick filaments are linked laterally by proteins of the
a. A band. b. Z line. c. M line. d. I band. e. H band.
Anatomy & Physiology