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Chapter 2
Science 7th grade
| Question | Answer |
|---|---|
| Which is not macromolecule? | water |
| All of the following are principles of the cell theory except | water is the main ingredient in every cell |
| Which function do the lipids in a cell control? | a protective membrane |
| Which scientist belongs with these: built a microscope & first to discover cells | Robert Hooke |
| What percent of human cells is made up of macromolecules that provide energy | 11% |
| Which two macromolecules offer energy storage to the cell? | lipids and carbohydrates |
| Which substance makes up the macromolecule carbohydrate? | sugar |
| Which best explains the function of a cell membrane? | offers protection from the outside environment |
| Photosynthesis occurs at the cell level. Which organelle is necessary for photosyntheses? | choloroplasts |
| which organelle prepares proteins into vesicles to transport from one area of a cell to another | Golgi apparatus |
| which is used to make proteins in the cell | RNA |
| What is the main difference between a prokaryotic cell and an eukaryotic cell? | only eukaryotic cells have its genetic material surrounded by a membrane |
| what is the function of a lysosome? | break down material |
| What is the main difference between active transport and passive transport? | passive transport moves substances throughout the cell without using the cell's energy and active transport moves substances using the cell's energy |
| which substance is broken down during glycolysis? | glucose |
| Which substance is released as a waste product during photosynthesis? | oxygen |
| Which type of fermentation is illustrated? Glucose > ATP + Carbon Dioxide + Alcohol | Alcohol fermentation |
| Which form of energy is necessary in photosynthesis? | light |
| usually, the largest organeele in a cell is the | nucleus |
| plant cells that are long and hollow transport _______ and water throughout the plant. | food |
| Which of these have prokaryotic cells? | bacteria |
| Material enter and leave the cell through openings in its | membrane |
| substances too large to pass through the cell membrane enter the cell in a process called | endocytosis |
| active transport occurs when _______ is used to move substances through a membrane | energy |
| the passive transport of water through a membrane is _________ | osmosis |
| during periods of strenuous activity, muscle cells run low on _____ | oxygen |
| the process that releases energy without using oxygen is ________ | fermentation |
| photosyntesis is the process in which plants use energy from light to produce ____ | food |
| which of the following is NOT involved in photosynthesis or respiration? | cytokinins |
| respiration is the process in which organisms break down food to release ____ | energy |
| the green color of tree leaves is due to green light energy reflected from | chlorophyll |
| the energy used in photosynthesis comes from ________ | the sun |
| a plant wilts as a result of the process of | osmosis (water loss) |
| one property of a molecule that determines whether it will pass through a semipermeable membrane is | size |
| the compound that moves through cell membranes by osmosis is | water |
Created by:
langstonallen
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