Agglutination refers to the
A. clumping of red blood cells.
B. development of platelets.
C. production of antibodies.
D. production of lymphocytes.
E. destruction of red blood cells.
Answer: A
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A ____ is formed when a ____ is dissolved in a ____
a. solution; solute; solvent b. solute; solvent; solution c. solution; solvent; solute d. solvent; solution; solute e. solvent; solute; solution
Which of the following solutions has the
potential to diffuse the fastest?
a. one with large molecules as opposed to smaller ones b. one with a higher concentration of molecules as opposed to one with a lesser concentration c. one under low pressure as opposed to one under high pressure d. one at a low temperature as opposed to one at a higher temperature e. all of these have the potential to diffuse equally fast
Lois plans to set up a freshwater aquarium. How might she add oxygen to the system for the fish to use during respiration?
A) Make sure the aquarium receives enough sunlight so that the water molecules can be split. B) Add soil and sand as bottom substrate that will release stored oxygen. C) Add plants that produce oxygen during photosynthesis. D) Add snails to the aquarium to decompose material that adds oxygen to the system.
The human disease xeroderma pigmentosum results from mutations in genes involved with
a. recombination-repair b. photoreactivation c. base excision repair d. mismatch repair e. nucleotide excision repair