Cells of the epiblast move toward the medial plane of the blastodisc to a region known as the ________
A) primitive streak
B) blastocyst
C) amnion
D) germ cell
A
Explanation:
B) The blastocyst is not a raised groove.
C) The amnion is not a raised groove.
D) Germ cell formation does not form a raised groove.
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The type of muscle that is found in blood vessel walls is ________ muscle.
A. smooth B. cardiac C. skeletal
Within the adenylate cyclase signal transduction pathways of target cells, cAMP activates
A. the G protein. B. adenylate cyclase. C. protein kinase. D. the receptor. E. transcription of a mRNA.
A fracture in the shaft of a bone would be a break in the ________.
diaphysis metaphysis articular cartilage epiphysis
What is a major function of the clavicle?
A. Ligaments between the clavicle and humerus limit shoulder joint movement. B. It provides attachment for the humerus. C. It prevents the trapezius muscle from pulling the shoulders posteriorly. D. It stabilizes the sternum. E. It keeps the upper limb away from the midline of the body.