Which of the following is a base or alkaline material?
A. NaOH
B. HCl
C. H2SO4
D. NaCl
A. NaOH
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Which cells serve as electrical insulators in the central nervous system?
a. Schwann cells b. oligodendrocytes c. astrocytes d. efferent neurons e. afferent neurons
Newborn screening reveals that newborn Jessica has inherited phenylketonuria (PKU). Her parents are distraught at the diagnosis, but a nutritionist explains that Jessica can be treated, right away. The treatment for PKU is
A) nonheritable gene therapy. B) heritable gene therapy. C) exchange of her blood supply. D) dietary.
miRNA-protein complexes regulate gene expression by binding to a target mRNA and preventing translation. Indicate whether the statement is true or false
What primary structures package cellular secretions for export from the cell?
A. Golgi bodies B. Ribosomes C. Mitochondria D. Lysosomes E. Endoplasmic reticula