Biology Vocabulary Crossword

substances stick to other polar substances
A small chemical unit that makes up proteins
The smallest unit of an element and living and nonliving things
A type of nutrient that is a major source of energy. Includes sugars and starches. Turns into glucose which then turns into energy
A substance that increases the rate of reaction without altering anything else. It is not used up during the reaction and can be used over and over again
Substance sticks to itself
the process in which two or more molecules come together to form a larger molecule, for example H2O as a result
Atoms sharing electrons to make it strong and stable (forms molecules)
After water has been removed, two molecules or compounds join together
A pure substance that cannot be further broken down into simpler substances by ordinary chemical reactions
Increase rate of reaction without being consumed and reduce the activation energy without changing the free energy released or required
weak bonds, attraction between positive and negative
The attraction between oppositely charged ions
Fats (non polar) Phospholipids and steroids used for longer-term energy storage cushions organs, and insulates the body
simplistic model of enzyme action
A term that includes carbohydrates, lipids, proteins, and nucleic acids
A distinct group of atoms bonded together
building blocks, repeated small units, covalent bonds
The basis of living things. Includes DNA and RNA
A relative measure of the hydrogen ion concentration within a solution
Long molecules built by linking repeating building blocks in a chain
Nutrient used by the body to build and maintain cells and tissues. Made up of smaller chemical units called amino acids
Any sweet-tasting crystalline carbohydrate