Glossary of CH 1 Anatomy and Chemistry Basics (CN)
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- The smallest quantity of an element that still possesses the characteristics of that element is?
- An ATOM
- Atoms chemically bond together to form? (Same type of atoms)
- When the Atoms in a molecule are different, the molecule is called?
- A Compound
- __________ bonds form between two atoms when one or more electrons are completely transferred from one atom to another.
- ___________ bonds form when electrons are shared between atoms
- ___________ bons are weak bonds that form between the positively charged hydrogen atom in one covalently bonded molecule and the negatively charged area of another covalently bonded molecule
- __________ are typically compounds without carbon atoms
- Inorganic compounds
- Name the properties of water
- 1. Excellent solvent
2. High degree of cohesion/high surface tension
3. Temperature very stable
- Define hydrophilic and give an example of a substance that is hydophilic.
- Means water loving and Polar covalent substances are hydophilic
- Define hydrophobic and give an example of a substance that is hydophobic.
- Measn water fearing and Nonpolar covalent substances are hydophobic.
- __________compounds are those that have carbon atoms
- What are the four most important Organic classes of molecules?
- 1. Carbohydrates
4. Nucleic Acids
- Name 3 groups of carbohydrates.
- 1. Monosaccaride (simplest kind of carbohydrate)
- Name 3 groups of Lipids.
- 1. Triglycerides
ex. fats, oils, and waxes
- Name the 4 levels of proteins
- 1. Primary structure, describes the order of amino acids
2. Secondary stucture results from hydrogen bonding of amino acids
3. Tertiary stucture
4. Quarternary structure
- Nucleic acids are made from ________?
- Name the four DNA nucleotides
- DNA is a ____________ of nucleotides?
- Define Polymer
- A compound formed by combining or linking a number of monomers,or small molecules. A polymer may be composed of a variety of different monomers or of many units of the same monomer.
- RNA differs from DNA in
- Ribose is RNA sugar not deoxyribose.
Uracil is used not thyamine
RNA is usually single stranded not a double helix
- Define catalyst
- is any substance that accelerates a reaction but does not undergo a chemical change itself. Can be used over & over again
- Enzymes act as __________ for metabolic reactions.
- In metabolism the breakdown of a substance is called?
- The secondary structure of a protein is its three-dimentsional shape. TRUE OR FALSE
- Phospholipids are composed of a glycerol molecule and three fatty acids. TRUE OR FALSE
- When a substrate binds to an enzyme's active site, this interaction causes the enzyme to change shape. This example of how an enzyme works is called the ____________ model
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