Answer:
There was no sulfur compound added to the medium, that could be used as an electron donor.
Explanation:
Bacteria that use light for energy requirements mean that they get their energy from photosynthesis and transferring energy through the molecules.
Bacteria play a major part in the reductive and oxidative cycle of the sulfur which is mediated by the help of photosynthetic bacteria, so the sulfur or sulfur compounds are major requirements for their growth in the habitat or the medium.
Thus, the correct answer would be- There was no sulfur compound added to the medium, that could be used as an electron donor.
She could use a control to compare her data to and make sure it is cleaner. Ex. Use the old detergent on ten shirts and then use the new detergent on another ten shirts. She would then compare the shirts she did each detergent on and come up with her conclusion.
Answer:
prophase cells, ( ^_^ ) /
Explanation:
" parent cell into two identical daughter cells. During prophase, the complex of DNA and proteins contained in the nucleus, known as chromatin, condenses. "
The six most common elements found in living organisms are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur.
Answer:
DNA helicase
Explanation:
DNA helicase unwinds the DNA strands by breaking the hydrogen bonds down at the center of the strand. this process begins in the replication fork of the DNA strand