The process by which body tissues and organs form is
a. cleavage
b. differentiation
c. morphogenesis
d. metamorphosis
e. ovulation
C
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Löffler syndrome is associated with which roundworm infection?
a. S. stercoralis b. Ancylostoma duodenale c. Trichostrongylus spp. d. A. lumbricoides
For the macromolecules listed here, select the correct order for the proper flow of genetic information.
1) RNA 2) protein 3) DNA A) 1 > 2 > 3 B) 2 > 3 > 1 C) 1 > 3 > 2 D) 3 > 1 > 2
What is the outcome of synapsis, a significant event in meiosis?
A) chiasma segregation B) side-by-side alignment of nonhomologous chromosomes C) side-by-side alignment of homologous chromosomes D) monad movement to opposite poles E) dyad formation
Which of the following is TRUE concerning the structure and function of enzymes?
A. All enzymes bind cofactors necessary for their function. B. An apoenzyme is a combination of a cofactor bound to a holoenzyme. C. Enzymes can function at a wide range of pH. D. Competitive inhibition of an enzyme occurs when an inhibitor binds to an allosteric site on the enzyme. E. After an enzyme has catalyzed a reaction, it resumes its original shape and can interact with a new substrate molecule.