Juvenille hormone (JH)
a. is involved in oogenesis.
b. is involved in vitellogenesis.
c. is involved in oogenesis and vitellogenesis.
d. is not involved in either of these.
C
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The wet membrane that covers cavities open to the external surface of the body is a
A) cutaneous membrane. B) synovial membrane. C) sarcolemma. D) mucous membrane. E) superficial fascia.
How thick are capillary walls?
a. 1 micrometer b. 10 micrometers c. 100 micrometers d. 1 millimeter e. 10 millimeters
The filtrate that drips from the renal papillae into the calyces
A. may have lost up to 99% of its original volume. B. is called urine. C. has a higher concentration of waste products (urea) than the original filtrate. D. All of the choices are correct.
Small amounts of a polypeptide or glycoprotein hormone may cause ________.
A. the priming effect B. increased numbers of receptors placed in the plasma membrane C. upregulation of receptors D. All of the choices are correct.