What is the respiratory surface where gas exchange occurs?
A) trachea
B) bronchioles
C) pharynx
D) alveoli
D
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The figure above represents net primary productivity organized by _____
A) biome B) geography C) region D) continent
Schizophrenia affects about ________ percent of the population.
A) 0.1 B) 1.0 C) 5.0 D) 10.0
Which of the following choices represents the complete sequence of events relating to meiosis?
a. cell division, DNA replication, cell division b. DNA replication, cell division, DNA replication, cell division c. DNA replication, cell division, cell division d. DNA replication, cell division
In the future, it may be possible to slow muscle
loss from diseases and aging by inhibiting myostatin production. However, which of the following might be adversely affected?
a. ligaments b. tendons c. heart muscle d. actin production e. ATP production