Proteins that are produced in a disease tissue and can act as a means of tracking a disease's progression (such as PSA in prostate cancer) is known as ________
A) an embryonic marker
B) an STR
C) a microarray
D) a biomarker
E) a tag
D
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What is the dependent variable in this figure?
A. number of children
B. if children were infected with flatworms
C. amount of interleukin-10 produced
D. number of white blood cells in the children's blood
E. amount of antibodies in the children's blood
The type of reproductive isolation in which two populations are separated due to the sperm cells of one not being able to recognize the egg cells of the other is
A. hybrid inviability. B. gametic isolation. C. temporal isolation. D. hybrid infertility. E. ecological isolation.
Which of the following is found in both Gram (+) and Gram (-) cell walls?
A. an outer membrane B. Peptidoglycan C. Lipopolysaccharide
Components of the first line of defense include all the following, except
A. nasal hairs. B. phagocytic white blood cells. C. flushing action of tears and blinking. D. flushing action of urine. E. the tough cell sheet of the upper epidermis of the skin.