Which statements describe hydrotropism? Check all that apply. Hydrotropism is a plant’s response to light. Hydrotropism is a plant’s response to an external stimulus. Hydrotropism causes cells to grow longer on one side of the roots. Hydrotropism causes cells to grow longer on one side of the stems. Hydrotropism causes a plant to grow toward light. Hydrotropism causes a plant to grow away from light.

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.