Modern pregnancy tests use ________ antibodies produced against a pregnancy hormone as the antigen.
Fill in the blank(s) with the appropriate word(s).
monoclonal
Modern pregnancy tests use monoclonal antibodies produced against a pregnancy hormone as the antigen.
You might also like to view...
The breakdown of glucose to pyruvate by a cell is an example of a(n) ________ reaction.
A) anabolic B) aerobic C) catabolic D) amphibolic E) synthesis
The expression "knee-jerk reaction" refers to someone doing something automatically without thinking. What does this expression mean in biological terms?
A) In the nervous system, this expression implies the involvement of higher brain regions before executing a spinal reflex. B) In the nervous system, this expression implies the lack of brain input when executing a spinal reflex. C) This expression implies that the knee-jerk reaction will be shortened in duration following input from higher brain regions. D) This expression implies that only children exhibit this type of unthinking behavior.
Why does cigarette smoke cause a smoker's skin to wrinkle over time?
A) The fibroblast cells that secrete proteins to the skin are degraded. B) The collagen and elastin matrix that holds skin to muscle is broken down. C) The ground substance in skin is converted to protein fibers. D) The nervous tissue that makes skin tighten is destroyed.
Animal life underwent its greatest diversification during the ________, which began about ________ million years ago
A) Paleozoic era... 290 B) Paleozoic era... 540 C) Mesozoic era... 363 D) Mesozoic era... 245