Bioinformatics can be used to scan for short sequences that specify known mRNAs, called _____
A) expressed sequence tags
B) multigene families
C) proteomes
D) short tandem repeats
A
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What is the rat to human ratio in most major
cities?
a. 10:1 b. 20:1 c. 1:10 d. 1:25 e. 1:100
What body system allows the survival of different species?
What will be an ideal response?
The difference between pinocytosis and receptor-mediated endocytosis is that _____
A) pinocytosis brings only water molecules into the cell, but receptor-mediated endocytosis brings in other molecules as well. B) pinocytosis increases the surface area of the plasma membrane, whereas receptor-mediated endocytosis decreases the plasma membrane surface area. C) pinocytosis is nonselective in the molecules it brings into the cell, whereas receptor-mediated endocytosis offers more selectivity. D) pinocytosis can concentrate substances from the extracellular fluid, but receptor-mediated endocytosis cannot.
The hydroxyl (OH-) concentration of a solution with a pH of 8 would be 10-6 molar.
Answer the following statement true (T) or false (F)