Answer:
DNA is a genetic molecule
Explanation:
Though both the nucleic acids can act as genetic material, DNA is much more preferred. DNA is stable both chemically and structurally which make it well-built genetic material.
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Answer:
Producers give off AND take in carbon dioxide
Explanation:
They give off carbon dioxide from respiration so they return carbon dioxide to the atmosphere. They also use carbon dioxide to synthesize their food.
To the heart: pulmonary vein
Away from heart: pulmonary artery
Answer:
It allows information to go from one neuron to another through neurotransmitters.
The control group is the part of an experiment that does not receive the variable and is used for comparison.