Which lymph structure is central to the body's immunity?
a. Thoracic duct
b. Bone marrow
c. Thymus
d. Spleen
e. Lymph node
c
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A patchy distribution of an essential resource leads to a(n) ____ population distribution
a. clumped b. random c. uniform d. exponential e. logistic
Which of the following does NOT occur in
prophase I of meiosis? a. cytokinesis b. pairing of homologues c. formation of a bipolar spindle d. crossing over e. condensation of chromosomes
What cells are the precursors of macrophages?
A. T cells B. Macrophages C. B cells D. Monocytes E. Plasma cells
If one was estimating a simple regression of Earnings (Y) on Height of individuals (X), and got a coefficient on the Height variable of 30, what would the coefficient on Height be if you added 3 inches to every individual in the sample but kept their earnings the same?
A. Above 30 B. Below 30 C. 30 D. Not enough information.