Humans use the calories they obtain from ________ as their source of energy

A) food
B) water
C) sunlight
D) minerals


Answer: A

Biology & Microbiology

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Despite ether-linked lipids being a hallmark of the Archaea, the thermophilic sulfate- reducing bacteria in ________ also contain ether-linked lipids, which suggests they may be more closely related to Archaea than many other groups in Bacteria

A) Aquifex B) Thermodesulfobacterium C) Thermus D) Verrucomicrobium

Biology & Microbiology

What is the direction of sodium ion flow through leak channels in a photoreceptor cell in the dark?

A. from the cytoplasm to the extracellular space B. from the smooth endoplasmic reticulum to the cytosol C. from the extracellular space into the cytoplasm D. from vesicles into the synapse

Biology & Microbiology

Your research project involves characterizing the expression pattern of a nuclear pore protein. After using immunohistochemistry to fluorescently label the protein, you decide that you would like to capture the data as a 3-D image. Which microscope should you use?

A. phase-contrast microscope B. confocal microscope C. scanning electron microscope D. fluorescence microscope

Biology & Microbiology

Which of the following actions would increase your carbon footprint?

A) reusing or recycling items B) eating more vegetables and less meat C) eating more beef and less chicken D) walking instead of driving

Biology & Microbiology