1. adhesion of water - Adhesion is the tendency of different particles or surfaces to cling to one another; this picture of a straw in water refers to the water attaching to the surface of the straw and the container.
2. anabolic - An anabolic process is one that constructs molecules from smaller units using energy; these oranges are a product of the orange tree which stores energy in the fruits.
4. autotroph - An autotroph is an organism that produces organic compounds from substances in its surroundings using energy from light or chemical reactions. Plants are one of the many autotrophs because they produce their own "food" through processes such as photosynthesis; one example would be this jasmine plant.
6. carbohydrate - a carbohydrate is a marcomolecule made up of carbon, hydrogen, and oxygen; foods processed from plants, such as pasta, are rich sources of carbohydrates.
7. catabolic - A catabolic process occurs when complex molecules are broken down into simple molecules, resulting in a release of energy. In candles, energy stored in wax is released as heat when the flame burns.
8. cellulose - Cellulose is an organic compound that is an important structural component of the cell wall of plants; the cells in the leaves of this dama de noche are composed of cellulose.
9. chitin - Chitin is a polysaccharide that is commonly found in the cell walls of fungi and the exoskeletons of arthropods such as crab and shrimp.
10. cohesion of water - Cohesion is the action of similar molecules sticking together as a result of their molecular structure and attraction to one another; one example of cohesion is the grouping of water molecules because the polarity of water molecules allow them to be attracted towards each other.
14. entropy - Entropy is a measure of disorder that exists in a system; this room has a large amount of entropy because a large amount of energy is required to put it back in order (in order to reach a thermodynamic equilibrium).
15. enzyme - Enzymes are large biological molecules that are responsible for the metabolic processes that sustain life; honey is a example of a source of enzymes.
16. fermentation - Fermentation is the process of converting sugars into acids, gases, or alcohol when oxygen is not present; beer and alcohol are products of ethanol fermentation, a process in which sugars such as glucose are converted into cellular energy and produce ethanol and carbon dioxide.
17. glycogen - Glycogen is a polysaccharide composed of glucose that serves as a form of energy storage in animals; this pot roast contains glycogen stored in fat.
21. hypertonic - A hypertonic solution contains a higher concentration of solutes than the area around it (hypotonic solution). The gummy bear in the glass of water is hypertonic, while the water itself is hypotonic.
23. hydrophilic - Hydrophilic substances are things that have an affinity for water and easily dissoluble in water; milk is an example of a hydrophilic substance because it easily mixes with water.
24. hydrophobic - Hydrophobic substances are things that tend to repel and do not combine with water; oil is an example of a hydrophobic substance because it does not mix well with water.
29. long-day plant - A long-day plant is a plant that flowers only after being exposed to light periods longer than a certain length. Spinach is an example of a long-day plant because it flowers when the day length exceeds its critical photoperiod, usually in the summer.
30. phloem - Phloem is the living tissue in vascular plants that carries organic nutrients to all parts of the plant where needed; in this plant stem, the phloem is located in the middle of the stem between the xylem and sclerenchyma.
32. saturated fat - Saturated fat is a fat that consists of triglycerides containing only saturated fatty acids; this fat left over from bacon contains a large amount of saturated fat.
37. unsaturated fat - An unsaturated fat is a fat or fatty acid in where there is at least one double bond on the fatty acid chain. Unsaturated fats are liquid at room temperature, making it an important component in cell membrane fluidity. This coconut is a rich source of unsaturated fat.
38. xylem - Xylem is a a transport tissue in vascular plants that transports water and some nutrients. In the stem of this hydrangea, the xylem is located between the phloem and protoxylem/pith of the plant.
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