The effects of the drug scopolamine suggest that _______ plays an important role in __________.

A) dopamine; schizophrenia
B) serotonin; depression
C) acetylcholine; learning and memory
D) GABA; seizures


Answer: C) acetylcholine; learning and memory

Biology & Microbiology

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Pinworm is a nematode parasite that lives in the human rectum, and causes itching in the anal area. What best explains the itching symptom?  

A.  Any kind of parasite will naturally irritate the skin. B.  The itching induces the person to scratch, helping to spread the parasite to another person. C.  The itching is a side-effect when the immune system has successfully attacked the nematode. D.  The itching is because of the mismatch between humans and the parasite’s natural host. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about nematode diseases? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

The 3 types of horizontal gene flow that occur in bacteria are __________, __________, and

__________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Bacterial isolates from post-surgical infections of several patients on the same hospital floor demonstrate an increase in resistance to similar antibiotics. The pattern of antibiotic resistance in these cases is most likely due to vertical gene transfer among bacteria that carry resistance genes to bacteria that lack those genes.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Several different classes make up a

a. kingdom b. phylum c. family d. genus

Biology & Microbiology