Answer:
II. Coding and noncoding segments of the molecule
Explanation:
mark brainliest
Diffusion is the movement of substances from high to low concentration
osmosis is the diffusion of water through a semipermeable membrane from high to low water concentration
A testable question is a question that can be answered and solved by creating and conducting an experiment. Testable questions are often about changing one item to see what impact it has on another.
Example:
Does changing the height of the ramp affect the speed of the skateboard going down the ramp?
Direct observation is an observation you make first hand. It is something you see with your own eyes and observe yourself.
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