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Life Science 3C
life and cells - molecules & life (biochemistry)
| Question | Answer |
|---|---|
| What do all things in the room have in common | matter and energy |
| what is matter | anything that has mass and takes up space |
| what is energy | anything that brings about change (can hold matter together or break it apart) |
| What is food you eat | matter held together by chemical energy |
| when something is made up of only one kind of atom it is an | element |
| the smaller structures inside a cell are | molecules |
| what are atoms | the smallest unit of an element |
| what makes up a molecule | atoms |
| a group of atoms held together by the energy of chemical bonds | molecule |
| what are the 4 categories of molecules that are essential to life | Carbohydrates, Proteins, Nucleic Acids, Lipids |
| is made up of CHO and supplies energy for cell processes and some are important parts of cell structures | carbohydrates |
| examples of carbohydrates | glucose, cellulose,starch,glycogen,sugar |
| what are proteins | building blocks of many structures in organisms and are involved in almost everything that happens in a living cell |
| What are proteins made up of | amino acids |
| What is an enzyme | a protein that regulates nearly all chemical reactions in a cell |
| Nucleic Acids are made up of | Nucleotides |
| DNA | (nucleic acid) carries info that directs each cells activities |
| RNA | (nucleic acid) needed to make enzymes and other proteins |
| fats | Lipids |
| do not mix with water; store and release even larger amounts of energy than carbohydrates | Lipids |
| What is the function of a lipid | energy storage |
| what are membranes that are made largely of lipids | phospholipids |
| RNA is a | nucleic acid |
| DNA is a | nucleic acid |
| any substance that cannot be broken down into simpler substances | element |
| breaks matter apart | energy |
| There are approx ___ amino acids | 20 |
| Nucleotides make up | nucleic acids |
| What is a sugar | a carbohydrate |
| Carbohydrates are made up of | CHO or carbon, hydrogen, oxygen |
| Glucose is a | carbohydrate |
| Starch is a | carbohydrate |
| what is the smallest unit that can be alive | cell |
| Cellulose is an example of a | carbohydrate |
| what holds matter together | energy |
| molecules made up of amino acids are | proteins |
| anything that brings about change is | energy |
| name 4 categories essential to life | carbohydrate, proteins, nucleic acids and lipids |
| Glycogen is an example of a | carbohydrate |
Created by:
boozerclan
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