key for quiz Nov. 1st
Life Processes and Chemistry of Life Study Guide1.name and describe the four activities of metabolism
- Ingestion- take in nutrients
- Digestion-break down nutrients
- Respiration- To use or release energy from food
- Excretion- eliminate wastes from the body
2.name and describe the 2 types of reproduction in organisms
- Asexual- producing offspring with only one parent
- Sexual- producing offspring with two parents
3.List the other life processes of living things besides metabolism and reproduction
- Respond to a stimulus
- Grow and develop
- Adaptation
- Living things are organized
4.define the cell
- The smallest part of a living thing that can perform all life processes
5.label the diagram of the atom—these parts should be labeled
- neutron- found in the nucleus, no charge
- proton- found in the nucleus, positive charge
- electron- found orbiting around the nucleus, negative charge
- nucleus- central part that contains the neutrons and protons
6. Describe the difference between an atom and a molecule
- An atom is the smallest part of an element and a molecule is the smallest part of a compound
7. Give an example of the four organic compounds
- Carbohydrates- sugars and starches
- Proteins- meats, dairy and nuts
- Lipids- fats, oils and waxes
- Nucleic acids- DNA and RNA
8. Describe the function of each organic compound
- Carbs- provides an organism energy
- Proteins- used by cells to grow, repair, and reproduce
- Lipids-Provide an organism with energy when no carbs are available
- Nucleic acids- delivers, copies and stores genetic info.
- Give the 2 functions of water in living things
- Transports materials and photosynthesis in plants