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. Archaea
B. Fungi
C. Protista
D. Animalia
A
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James and Sally wanted to have a baby but were not having any luck, so they decided to try an artificial means of conception. They eventually were directed to a laboratory, where sperm and eggs were placed in a dish
This allows a sperm to merge with the egg as it would in the oviduct. This procedure is called ________. A) surrogate motherhood B) gamete intrafallopian transfer C) zygote intrafallopian transfer D) in vitro fertilization
The genetic material for a prokaryotic cell is present in a ____, a poorly demarcated region of the cell that lacks a boundary membrane to separate it from the surrounding cytoplasm.
A) nucleoid B) nucleus C) genetome D) chromatic region E) pharmacopeia
Bacteria have 80S ribosomes each composed of a 60S large subunit and a 40s small subunit.
a. true b. false
Which of the following antifungals works by binding to ergosterol in membranes?
A) fluconazole B) turbinafine C) amphotericin B D) nystatin E) both amphotericin B and nystatin