Why did a wave of Spaniards immigrate to the U.S. in the late 19th century?
a. because of the potato blight
b. because of poor economic conditions
c. because of religious conflict
d. because of volcanic eruptions that devastated their land
e. because of job loss
b
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Vegans avoid red meat, but will eat poultry and fish
Indicate whether statement is true or false.
Driven by a concentration gradient, lipids are absorbed through the process of
A. passive diffusion. B. facilitated diffusion. C. active transport. D. endocytosis.
One of the first events that occurs in the stomach in response to the presence of food is the release of _____, a hormone that stimulates the stomach to produce gastric juices
A. cholecystokinin B. gastrin C. secretin D. insulin
What is the primary source of energy ("energy currency") for your cells?
A. Protein B. ATP C. Sunlight D. Fatty acids