The prefrontal cortex changes very little after age 10. Therefore, in its structure and maturity this brain region in a teenager is similar to that of an adult.
Answer the following statement true (T) or false (F)
False
The prefrontal cortex changes significantly throughout our teens and into our 20s, as reflected by increased myelination of axons and synaptic pruning.
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A mistake during segregation of chromosomes is called ________.
A. nondisjunction B. deletion C. aneuploidy D. point mutation E. duplication
Compared to slow-twitch fibers, fast-twitch fibers respond to a stimulus with less delay and with a shorter contraction duration.
Answer the following statement true (T) or false (F)
When do muscle fibers produce lactate?
A) Muscle fibers produce lactate when metabolizing amino acids. B) Muscle fibers produce lactate when metabolizing fatty acids. C) Muscle fibers produce lactate when ATP is abundant. D) Muscle fibers produce lactate when there is a lack of oxygen. E) Muscle fibers produce lactate when the pH of the cell is acidic.
Mature cartilage is avascular.
Answer the following statement true (T) or false (F)