Answer: True.
Explanation: Carbohydrates are macromolecules that serve as energy source and structural components in the cell. Monosaccharides are the simplest carbohydrates and form other compounds as dysaccharides and polisaccharides.
Proteins are other type of important macromolecules that serve as catalysts, structural components, signal transducers, etc in the cell. Proteins are composed by aminoacids and folding determines the active form of the molecule.
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
Answer:
need a picture to answer this question
Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect.
Answer:
gram
Mass is used to measure the weight of an object. For example, you are measuring the mass of your body when you step on to a scale. In the metric system of measurement, the most common units of mass are the gram and kilogram.