A student encounters an organism that resembles a plant and whose cells contain a nucleus. The
organism is most likely classified as a(n) ____.
a. Bacteria
b. Archaea
c. Eukarya
d. Animalia
e. Amoeba
C
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You just discovered a new virus. This virus infects heart muscle, where it causes inflammation. This virus has a very high mutation rate. Which of the following is the best strategy for finding a treatment for this virus?
A) Develop a vaccine from living viruses. B) Identify the receptor this virus uses and develop an enzyme that blocks the receptor. C) Encourage infected individuals to engage in heart-strengthening exercise. D) Develop a drug that blocks the host's ribosomes, which the virus uses to produce its proteins.
Movement of soluble organic material through plants is known as:
a. translocation b. active transport c. passive transport d. transpiration e. cohesion-tension
Which of the following is a U.S environmental policy from the 1800's?
A. Clean Air Act B. Wild and Scenic Rivers Act C. Endangered Species Act D. General Mining Act E. Safe Drinking Water Act
You find colorless areas in cells in a Gram-stained smear. What should you apply next?
A) an acid-fast stain B) a flagella stain C) a capsule stain D) an endospore stain E) a simple stain