Chapter 3 Study Guide

Description

Grade 9 Biology Flashcards on Chapter 3 Study Guide, created by Autum Levang on 12/09/2018.
Autum Levang
Flashcards by Autum Levang, updated more than 1 year ago
Autum Levang
Created by Autum Levang over 5 years ago
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Resource summary

Question Answer
Small particles that make up matter Atom
Electrons in the outer orbit Valence electrons
Two or more covalently bonded atoms Molecule
An atom with an electric charge Ion
Attraction between like substances Cohesion
Molecules composed of carbon, hydrogen, oxygen, nitrogen, and phosphorus Nucleic acids
What Benedict's solution is used to test for Sugar
What Lugol's solution is used to test for Startch
What Bieret's solution is used to test for Protein
DNA, RNA, and ATP are examples of Nucleic acids
Smaller molecules that form proteins Amino acid
Nucleic acid that contains ribose sugar RNA
Nucleic acid that contains deoxyribose sugar DNA
Biological molecule that provides energy in cells ATP
Source of energy from compounds Chemical bond
Substances that prevents pH changes Buffer
Biological molecule that provides energy Carbohydrate
Biological molecule that stores energy Lipid
Biological molecule that provides structure Protein
Biological molecule that contains heredity information Nucleic acid
4 levels of protein structure Primary, secondary, tetriary, quaternary
Attraction between unlike substances Adhesion
Mixture in which one substance is dissolved in another Solution
Substance that forms hydronium ions (H3O+) Acid
Substance that forms hydroxide ions (OH-) Base
Measure of the the numuber of hydronium ions in a solution pH
Reaction that joins amino acids to form proteins Dehydration synthesis
Molecules composed of carbon, hydrogen, and oxygen Carbohydrates
Molecules composed of carbon, hydrogen, oxygen, and nitrogen Proteins
Substances commonly known as fats and oils Lipids
The two kinds of carbohydrates Sugars and starches
Examples: eggs, meat, fish, poultry Protein
Molecules made of carbon, hydrogen, oxygen, and phosphorus Lipids
The 3 parts of a nucleic acid Base, sugar, phosphate group
Name 4 important properties of water Ice floats, absorbs and retains heat, molecules stick to each other, molecules stick to other types of molecules
Unfolding of a protein Denaturation
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