Which of the following enters a target cell's nucleus and acts directly on the genes?
A. Insulin
B. Antidiuretic hormone (ADH)
C. Estrogen
D. Glucagon
E. Oxytocin (OT)
C. Estrogen
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The opening of the neural tube that is closest to the future head is the
A. anterior neural fold. B. cranial neuropore. C. rostral neural groove. D. caudal neural canal. E. neural crest aperture.
Specific immune responses are selectively targeted against particular foreign material to which the body has previously been exposed
Indicate whether the statement is true or false
Which one of the following statements matches the regional term with the appropriate common term (example: the tarsal bones are in the ankle)?
A. The brachial artery is in the wrist. B. The carpal bones are in the ankle. C. The cervical vertebrae are in the lower back. D. The femoral nerve is in the arm. E. The popliteal artery is in the knee.
Which of the following chromosome anomalies can be found in either sex?
A. Turner's Syndrome (XO) B. Klinefelter's Syndrome (XXY) C. Down Syndrome (Trisomy 21) D. Barker's Syndrome E. They all can be found in either sex.