CROSSWORD CHALLLANGE

5. – The ability to retain heat; in the body, lipids help insulate and protect organs.
8. acid – A macromolecule that stores genetic information; includes DNA and RNA.
9. bond – A chemical bond that links amino acids together in a protein.
10. – Ribonucleic acid; helps carry out the instructions in DNA to make proteins.
11. – A macromolecule made of sugars that provides quick energy for cells.
14. – The process of increasing in size; proteins play a key role in building tissues and cells.
15. – A macromolecule made of amino acids that performs many functions, including growth, repair, and enzymes.
16. – The simplest form of carbohydrate; a single sugar molecule like glucose or fructose.
18. – The process of fixing damaged tissues or cells; proteins help in regeneration and healing.

1. – The building block of nucleic acids; made of a sugar, phosphate group, and nitrogen base.
2. acid – A building block of lipids; long chains of carbon and hydrogen atoms.
3. energy – Energy that is rapidly available for use by the body, often provided by carbohydrates.
4. – A large molecule made of repeating subunits (monomers); examples include proteins, carbohydrates, and nucleic acids.
6. – Deoxyribonucleic acid; a molecule that carries genetic instructions for living organisms.
7. – A thin layer that forms the outer boundary of a cell or its organelles; made mainly of lipids.
12. acid – The building block of proteins; 20 different types exist.
13. – A macromolecule made mostly of carbon and hydrogen; includes fats, oils, and waxes; used for long-term energy storage.
14. code – The sequence of DNA or RNA that determines the traits of an organism by coding for proteins.
17. – A complex carbohydrate (polysaccharide) used by plants to store energy; made of many glucose units.
19. – A protein that speeds up (catalyzes) chemical reactions in the body.