The double helix of DNA is composed of building blocks called amino acids.
a. monosaccharides.
b. phospholipids.
c. disaccharides.
d. nucleotides
Answer: d. nucleotides
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During the day, an open stomata loses about ____ molecule(s) of water for every molecule of carbon dioxide it takes
in. a. 1 b. 10 c. 25 d. 100 e. 400
Which of the following STDs is caused by a virus?
A. vaginitis B. gonorrhea C. chlamydia D. HIV/AIDS E. syphilis
What are the potential consequences if a person has their gallbladder removed?
A. The liver will stop producing bile because it won't have any place to store it. This means that they will have a decreased ability to emulsify the fats found within the small intestine. B. The liver will stop producing bile because it won't have any place to store it. This means that they will have a decreased ability to digest the proteins found within the small intestine. C. Their body will not be able to store the excess bile produced by the liver. This means that they will have a decreased ability to emulsify the fats found within the stomach. D. Their body will not be able to store the excess bile produced by the liver. This means that they will have a decreased ability to emulsify the fats found within the small intestine.
Chemotaxis is a process by which bacteria ________.
A. respond metabolically to the presence of autoinducer molecules B. move on solid surfaces by means of type IV fimbriae C. avoid phagocytosis D. move toward an attractant or away from a repellent