Ergot, a fungus, contains a hallucinogenic drug that binds to serotonin receptors. The natural drug is most similar to ________
A) LSD B) morphine C) methamphetamine D) mescaline
Answer: A
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The figure below depicts a human embryo. The cells in the inner cell mass (indicated by the arrow) are:
A. totipotent
B. pluripotent
C. multipotent
D. unipotent
E. omnipotent
Ivan Pavlov rang a bell whenever he fed a dog, and later the dog salivated at the sound of the bell. What term best describes this experiment?
a. classical conditioning b. habituation c. operant conditioning d. imprinting e. social learning
Answer the following questions true (T) or false (F)
1. Dehydration synthesis is a common feature of polymer production in cells. 2. Salts are produced from exchange reactions in which acids and bases neutralize each other. 3. Chloroplasts use light energy to produce ATP and carbohydrates.
Which elements are found in all carbohydrates, lipids, proteins, and nucleic acids?A) nitrogenB) carbonC) hydrogenD) oxygenE) phosphorusF) sulfur
What will be an ideal response?