Human herpesvirus 4 (EBV) is implicated in which of the following diseases?
A) Hodgkin's lymphoma
B) cervical cancer
C) oral hairy leukoplakia
D) chronic fatigue syndrome
E) Hodgkin's lymphoma, chronic fatigue syndrome, and oral hairy leukoplakia
E
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You have decided to repeat Palade’s experiments on the endomembrane system. You think you’ve done everything correctly, but when you observe your final sample under the microscope, you find that the entire endomembrane system contains tiny black dots. When you look at later timepoints you see the same thing. What part of the experiment did you forget?
A. You forgot to add radioactive amino acids. B. You forgot to add osmium tetraoxide. C. You forgot to add nonradioactive amino acids. D. You forgot to add the silver-containing emulsion. E. You didn’t forget anything, this is what the experiment is supposed to look like.
A scientific theory is:
A. a suggested explanation that accounts for observations. B. a way to organize how we think about a problem. C. a concept that is supported by experimental evidence that explains the facts in an area of study. D. a way to understand a complex system by reducing it to its working parts.
Each cell is able to maintain an internal environment within a range that favors survival. This condition is called
a. metabolism. b. homeostasis. c. physiology. d. adaptation. e. evolution.
You have been assigned to analyze some extraterrestrial material recently collected from Mars. After examining a sample using a microscope you jump up excitedly and shout to your colleagues that you have confirmed the existence of life on Mars. One of your colleagues takes a look at your sample and remarks that all he sees is a single-celled "blob" with little internal structure. Assuming that life on Mars can be classified into similar domains and kingdoms as Earth, to which domain does your "blob" belong?
A. Protista B. Animalia C. Archaea D. Fungi