Question | Answer |
1 Two things that are needed by bodies are fuel molecules and carbon dioxide. | 1 false |
2 Bodies produce carbon dioxide, energy, body mass and waste. | 2 true |
3 The energy produced by our bodies is used for our activities and to generate heat. | 3 true |
4 If we wish to lose weight we should be more physically active and eat more to fuel that extra activity. | 4 false |
5 If we wish to gain weight we should try to stop producing waste. | 5 false |
6 Two types of proteins are structural proteins and enzymes. | 6 true |
7 DNA and RNA store information that is used in guiding cellular processes. | 7 true |
8 Genetic engineering is a scientific discipline in which scientists manipulate polysaccharides. | 8 false |
9 Vitamin C is an oxidizing agent. | 9 false |
10 Rust is the result of chemical oxidation of iron. | 10 true |
11 Meat tenderizer contains enzymes that break down meat proteins. | 11 true |
12 Monosodium glutamate is a form of an amino acid used to flavor foods. | 12 true |
13 Dextrose is an example of a fatty acid. | 13 false |
14 Soap is made from nucleic acids. | 14 false |
15 made up of base pairs are: | 15 nucleic acids |
16 starch is an example of: | 16 polysaccharides |
17 made up of amino acids are: | 17 proteins |
18 glycogen is a: | 18 polysaccharide |
19 The genetic code is the make-up of: | 19 nucleic acids |
20 Sugars are the make up of: | 20 polysaccharides |
21. Adenine, guanine, thymine, cytosine are made of: | 21 nucleic acids |
22 Fatty acids make: | 22 lipids |
23 Cellulose is an example of: | 23 polysaccharides |
24 DNA and RNA. | 24 nucleic acids |
25 enzymes | 25 proteins |
26 deoxyribose and ribose sugars linked by PO4 2– . | 26 nucleic acids |
27 collagen is an example of: | 27 proteins |
28 Polymers of glucose are an example of: | 28 polysaccharides |
29 The following types of molecules have energy storage as a major function: | 29 polysaccharides lipids |