Macromolecule
A. a chemical substance that cannot be broken down into other substances. The basic particle that constitutes a chemical element is the atom, and chemical elements are distinguished from each other by the number of protons in the nuclei of their atoms
B. a substance made up of two or more different chemical elements combined in a fixed ratio.
C. a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
D. a molecule containing a very large number of atoms, such as a protein, nucleic acid, lipid, or carbohydrate
Select your answer:
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Mitosis for Mya The Ankle and Lower Leg Neuroanatomy & Physiology Glucose in the Body Micro Immunology Neuron Structure Skin and Derivatives Discovery of DNA Hospital Unit The Nervous System and The Senses Human Eye and Colorful World Deficiency Diseases Circulatory & Lymphatic BMI, Body Composition and Body Types Skills for HealthOther quiz:
Components of Food › ViewA person who does more physical work needs a diet that rich in
A. Fats
B. Proteins
C. Vitamins
D. Carbohydrates
Nutrition › View
Most of the chloroplast cells are found in the
A. upper epidermis
B. pallisade mesophyll layer
C. lower epidermis
D. stomata