The longest period of time is 11 minutes and 35 seconds.
The test tube will be most likely the one with yellowish color.
This happen because of the respiration process between the snail and Elodea. Actually, this will heavily affected by the control factors. The more elodea that exist in the incubation, the lower the amount of CO2 would be,
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Answer:
b. absence of peptidoglycans in the cell walls of archaea.
Explanation:
<em>Archaea is a domain of unicellular organism (procaryotes) that live in extreme environments, their cell walls are made of pseudo peptidoglycan (similar in function to peptidoglycans but different in structure), </em>on the other hand, bacteria's cell walls are made of peptidoglycan and lipopolysaccharide.
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Answer:
Chemicals that are secreted from antigen-presenting cells then activate helper T cells.
Explanation:
<span>The statement is an example of </span>Gene flow.