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Janssen Cells
Mrs. Janssen's Biology Chapter 3 Test
| Question | Answer |
|---|---|
| What are specialized structures that carry out specific functions called? | organelles |
| Prokaryotic cells are missing what? | nucleus |
| What structure do all cells have in common? | cell membrane |
| What scientist named cells? | Hooke |
| What is the term for maintaining a stable internal environment? | homeostasis |
| What are most of the molecules in the plasma membrane made of? | lipids |
| What is the plasma membrane made up of? | phospholipid bilayer |
| What are the polar heads in the plasma membrane closest to? | water |
| What moves substances in and out of the plasma membrane? | transport proteins |
| What prevents fatty acid tails from sticking together? | cholesterol |
| Where do all the chemical processes in a cell happen? | cytoplasm |
| What kind of fibers is the cytoskeleton made of? | protein |
| The cytoskeleton is made of microtubules and what else? | microfilaments |
| What is the powerhouse of the cell? | mitochondria |
| Which type of cell has a cell wall? | plant |
| Which organelle digests waste and food particles? | lysosome |
| Which type of cell does NOT have a vacuole? | animal |
| Where can plant cells store things like enzymes, food, & other materials? | vacuole |
| Which organelle modifies, sorts, and packages proteins? | golgi apparatus |
| Where does protein & lipid synthesis occur? | endoplasmic reticulum |
| Where are ribosomes produced? | nucleolus |
| Ribosomes are made of protein and what else? | RNA |
| What are cilia and flagella used for? | movement |
| Where does protein synthesis begin? | nucleus |
| What is the movement of particles from a high concentration to a low concentration called? | diffusion |
| Where is the sodium/potassium/ATPase pump located? | plasma membrane |
| When do centrioles function? | cell division |
| What is the term for the diffusion of water? | osmosis |
| What is it called when transport proteins move particles across the cell membrane? | facilitated diffusion |
| What kind of solution has an equal concentration of particles inside and outside the cell? | isotonic |
| What kind of solution has more water outside the cell than inside? | hypotonic |
| What kind of solution has more solute outisde the cell than inside? | hypertonic |
| What is the rigid outer layer in plants called? | cell wall |
| What is the barrier between the cytoplasm and the outside environment? | Cell membrane |
| What is the control center of the cell? | nucleus |
| Where do chemical reactions take place in a cell? | cytoplasm |
| Where are ribosomes produced? | nucleolus |
| Where does protein synthesis take place? | ribosome |
| What is the powerhouse of the cell? | mitochondria |
| What organelles capture light for photosynthesis in plants? | chloroplasts |
| What organelle synthesizes lipids? | smooth endoplasmic reticulum |
| Which organelle has attached ribosomes that produce proteins? | rough endoplasmic reticulum |
| What is the storage container for the cell? | vacuole |
| Which organelle sorts, packages, and sends out proteins? | Golgi apparatus |
| What is the term for engulfing a substance and taking it in? | endocytosis |
| What is the garbage disposal for a cell? | lysosome |
| What is the term for engulfing a substance and pushing it out? | exocytosis |
| What will happen to a cell when it is placed in distilled water? | burst |
| What will happen to a cell when it is placed in a hypertonic solution? | shrivel |
| What will happen to a cell when it is placed in an isotonic solutions? | not change |
| What will happen to a cell when it is placed in a hypotonic solution? | burst |
| What process caused the gummy bears to triple in size? | osmosis |
| When your egg was placed in the corn syrup, what kind of solution was the corn syrup? | hypertonic |
| When your egg was placed in distilled water, what kind of solution was the water? | hypotonic |
| What would happen to blood cells if distilled water was placed in an IV? | burst |
Created by:
jjanssen33