section 2 and 3 life science

5 Written Questions

1. molecules that form much of the cell membrane, the cell is attracted to water but the tail is not. they become two layerd in water
2. group of compounds made of sugars. sourse of energy
3. starch
4. eat other organisms to get food
5. major fuel used for all cell activity

5 Multiple Choice Questions

1. organisms that get their food by by breaking down nutrients in dead organisms or animal waste
   1. what are nucleic acids
   2. consumers
   3. producers
   4. what are decomposers
2. produce their own food
   1. proteins
   2. enzymes
   3. consumers
   4. producers
3. compound that cannot mix with water, store energy and others form the membrane of the cells
   1. DNA
   2. lipids
   3. proteins
   4. ATP
4. water
   1. most abundent element in your body
   2. what are nucleic acids
   3. what are decomposers
   4. consumers
5. many different chemical reactions occur quick ly
   1. DNA
   2. enzymes
   3. consumers
   4. lipids

4 True/False Questions

1. proteins → large molecules made of subunits called amino acids

   True        False

2. DNA → major fuel used for all cell activity

   True        False

3. hemoglobin → large molecules made of subunits called amino acids

   True        False

4. what are nucleic acids → organisms that get their food by by breaking down nutrients in dead organisms or animal waste

   True        False