Proteins on the cell surface label the cells as "self", identifying them to the immune cells as belonging to the organism
Indicate whether the statement is true or false.
ANSWER: True
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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
Certain metabolic pathways are affected by the buildup of a product which interacts with an enzyme catalyzing one of the initial steps of the pathway; this can be an example of
(A) transcriptional regulation (B) thermodynamic regulation (C) translational regulation (D) feedback inhibition (E) posttranslational modification
Atoms are composed of a central nucleus which is surrounded by which orbiting particles?
a. Neutrons b. Electrons c. Protons d. Ions
Fermentation is a more efficient form of energy production than aerobic respiration.
Answer the following statement true (T) or false (F)