The ____ use solar energy and organic molecules as their nutritional sources
a. chemoautotrophs
b. chemoheterotrophs
c. photoautotrophs
d. photoheterotrophs
e. Archaea
ANSWER: d
Biology & Microbiology
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The main natural source of phosphorus is ____
a. Earth's crust b. fertilizer c. guano d. legumes e. water
Biology & Microbiology
The T2 bacteriophages used in the Hershey and Chase experiment are made of what?
a. DNA b. RNA and protein c. protein, phospholipid, and DNA d. DNA and protein e. protein, phospholipid, DNA, and RNA
Biology & Microbiology
nonpolar covalent bond
What will be an ideal response?
Biology & Microbiology
Transport of salts against their concentration gradients is energetically expensive.
Answer the following statement true (T) or false (F)
Biology & Microbiology