The group that is not changed in an experiment is the control group, or control.
D. Liquid oils are converted to solid fats.
The answer is A.
Glucose in the sealed tube will be used up by the obligate anaerobe bacterium. This is because it is the only environment that satisfies the condition of having no air or oxygen for the organism to survive. The unsealed tube will obviously have air entering and exiting inside and therefore will not be a suitable environment for the organism. The control tube will have no change in color since it is uninoculated or in other words, no organism was put inside of it.
Answer: As a plant begins to grow, an embryonic root emerges from the seed, termed the radicle or primary root. This allows the seedling to become anchored in the ground and begin absorbing water and nutrients. No matter how a seed is planted, the root will orient itself towards the pull of gravity in the downward direction.
Explanation: I looked it up.
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