click below
click below
Normal Size Small Size show me how
Mrs. Friess
study guide for photosynthesis and mitosis test
Question | Answer |
---|---|
All the energy on the earth ultimately comes from the_____ | Sun |
The term meaning an organism that contains green pigment such as a plant, or algae, that can make it's own food ____ | Autotroph |
A plant is considered a Producer or Consumer? | Producer |
The term meaning an organism that must obtain its energy source from eating another organism___ | Heterotoph |
The organelle found in plants that is responsible for photosynthesis___ | Chloroplast |
The process that plants use to make its own food___ | Photosynthesis |
The name of the gas that humans exhale, and plants take in___ | Carbon Dioxide |
The name of the gas that plants produce as a product of photosynthesis___ | Oxygen |
The chemical formula for sugar (carbohydrate)____ | 6 Carbon 12 Hydrogen 6 Oxygen |
Does the plant store or give off sugar ? | Store |
What does the arrow mean in a chemical formula? | yields or produces (NOT equals) |
What 3 things are needed by a plant to photosynthesis? | CO 2 (Carbon Dioxide) , H 2 O (water), and sunlight |
Write the Chemical Formula for Photosynthesis? | 6 C 02 + 6 H2 0 + sunlight yields C 6 H 12 0 6 + 6 02 |
"Matter cannot be created or destroyed" is called | Conservation of Matter |
"Energy cannot be created or destroyed" is called | Conservation of Energy |
During Photosynthesis, sunlight energy is converted into ____ energy | Chemical energy |
How can a strict carnivore obtain energy from the sun? | by eating an autotroph (plants) also called producer |
How do plants under water obtain sunlight? | By growing to the surface, such as kelp |
True or False: When balancing a chemical equation the products must equal the reactants? | TRUE |
The name of the green pigment contained in the chloroplast of a leaf | Chlorophyll |
The openings in a leaf which allows water to enter during transpiration | Stomata |
Water enters into the roots and stems through: Osmosis or Diffusion | Osmosis |
Oxygen leaves the plant leaves by the process of: | Diffusion |
When a plant begins to wilt and lacks water, the stomata does what? | Closes |
What is the scientific name for Cell Division? | Mitosis |
During INTERPHASE of mitosis, what are the chromosomes doing? | Replicating (multiplying by 2) |
What stage in Mitosis do the Chromosomes move to the Middle of the cell? | Metaphase |
What stage of Mitosis do the Chromosomes pull AWAY to the opposite centrioles? | Anaphase |
What stage of Mitosis does the cell membrane begin to pinch into two new cells? | Telephase |
When a cell successfully divides into two new cells, it is is called___ | Cytokinesis |
During Mitosis, cells reproduce: Asexually or Sexually | Asexually |
What can a person develop if cells divide rapidly with some error in the genetic material? | Cancer |
How many Chromosomes do humans have? | 46 |
TRUE or FALSE: all living organisms have the same number of chromosomes? | False |