Glossary of Biology Chapter 6.1
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- A ___________ is a large molecule formed when many smaller molecules bond together.
- How are polymers formed?
___________: small molecules covalently bonded together to make a polymer and H20 (water).
- How are polymers formed?
___________: breaks apart polymers, by adding H20.
- Anything that possesses all the characteristics of life.
4 _________ available for __________.
Forms 4 covalent bonds:
- single bond, double bond, and triple bond.
- Chemical + electrons =
- Center of an atom. Contains protons and neutrons.
- Positively charged particle.
- Particles with no charge.
- Extremely small, negatively charged particles in the region of space surrounding the nucleus.
- Breaks apart polymers, by adding H20.
- Large organic compounds.
- Proteins are examples of ________ that are found in organisms.
- Compounds that have the same chemical formula but different three-dimensional structures are called ___________.
- Measure of how acidic or basic a solution is.
- ph scale = ____________
- Acids and Bases:
- Any substance that forms hydrogen ions (H+) in water.
- Any substance that forms hydroxide ions (OH-) in water.
- Atoms of same element that have different numbers of neutrons.
- Refer to isotope by total # of __________ and ___________ in nucleus.
- Six protons, six neutrons.
- Carbon-13: ___________ protons, __________ neutrons.
- Useful to scientists because of ______________________ caused by instability of nucleus.
- Culculation # of molecules of an atom is . . .
- 4 elements
carbon, hydrogen, oxygen, nitrogen
- ___________ energy level = _________ electrons max
- 2nd _______ level = 8 _________ max
- 3rd energy ___________ = 18 electrons __________
- ___________ levels filled __________, then move to next energy level.
- Atoms have ________ because protons = electrons.
- no charge
- Large biomolecules made mostly of carbon and hydrogen, a little oxygen.
- Fats, oils, waxes, and steroids are all __________.
- If each carbon in the chain is bonded to other carbons by single bonds, the fatty acid is said to be _____________.
- If a double bond is present in the cahin, the fatty acid is _____________.
- 1827, Robert ____________: observed pollen grains in water moving about.
- __________ movement of atoms and molecules.
- _______________ of gases, liquids, some solids.
- _____________ Energy + energy in motion.
- Particles of matter are in ____________ motion and _________ with each other.
- The condition in which there is continuous movement but no overall concentration change is called ____________.
- dynamic equilibrium
- An atom (or group of atoms) that gain or loses electrons.
- Why do atoms form on ion?
- Some atoms combine by gaining or losing electrons in their outer energy levels.
- The net movement of particles from an area of higher concentration to an area of lower concentration.
- The process of diffusion is ________ and relies on _________ movement.
- Three key factors affect the rate of diffusion: ____________, _____________, and ____________.
- Ratio of CH0 biomolecule, acid vs. base
- (OH vs. H)
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