Can the race of an individual be discerned from the skeleton?
What will be an ideal response?
The race of an individual can be learned from the skeleton because there are differences in proportion, general bone mass, and prominence and/or presence of ridges.
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Sister chromatids are joined together at a pinched spot called the ________________.
Fill in the blank(s) with the appropriate word(s).
Which is a direct effect of the Frank-Starling mechanism?
A. Decreased venous return B. Increased SNS input C. Increased stroke volume D. Increased total peripheral resistance
A stem cell that can give rise to all tissues except the trophoblast cells of the placenta is called ________.
A. totipotent B. multipotent C. retropotent D. pluripotent
What cell types are targeted by cytotoxic T cells?
A. cancer cells and virally infected cells. B. all antigen-bearing cells. C. T cells. D. cytotoxic cells.