Which statement about diffusion is correct?
A) Diffusion causes movement of materials toward equilibrium.
B) Diffusion of water cannot occur.
C) Diffusion can occur only through a membrane.
D) Diffusion requires a protein channel.
Answer: A
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Affixing antigen to an inert particle such as a latex bead is sometimes used in which type of test?
A.) cross-reactions B.) agglutination C.) precipitation D.) specificity E.) sensitivity
The archenteron of a frog develops into the _____
A) blastocoel B) endoderm C) placenta D) lumen of the digestive tract
The term genome refers to the complete complement of sequences and genes that an organism possesses
Indicate whether the statement is true or false
Glycerol forms the backbone of
a. triglycerides. b. polysaccharides and nucleic acids. c. nucleic acids. d. polypeptides. e. triglycerides and phospholipids.