What is the main structural component of plants?
a. glucose
b. glycogen
c. chitin
d. cellulose
e. starch
d
Biology & Microbiology
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What invention eventually led to current deep sea submersibles like Alvin?
a. Bathyscaphe b. Search-and-recovery vessels c. Diving bell d. Bathysphere
Biology & Microbiology
Scurvy is caused by a lack of which nutrient?
A) Calcium B) Vitamin D C) Vitamin C D) Omega-3 fatty acid
Biology & Microbiology
The first line of defense against invading microorganisms is nonspecific.
Answer the following statement true (T) or false (F)
Biology & Microbiology
Which of the following diseases may be reduced by improved public sanitation measures?
A) malaria B) HIV C) cholera D) chickenpox E) rabies
Biology & Microbiology