What does structure "D" represent?
A. Axis
B. Atlas
C. Intervertebral disk
D. Thoracic region or curve
E. Body of vertebra
Answer: C
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In the early stages of intramembranous ossification, osteoblasts deposit a soft collagenous tissue called __________.
Fill in the blank(s) with the appropriate word(s).
Major histocompatibility complex (MHC) genes are
A) Polygenic. B) Polygenic and polymorphic. C) Polygenic and monomorphic. D) Monogenic and monomorphic.
Match the cells/tissue with the hormone it secretes.
1. progesterone, early in pregnancy 2. human chorionic gonadotropin 3. estrogen in nonpregnant woman 4. testosterone A. Leydig cells B. granulosa cells C. corpus luteum D. placenta
____________________ are distinct, highly organized structures that perform specialized functions within the cell
Fill in the blank(s) with correct word