Term
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Definition
1)Made up of mainly C,H,O, + ~ 20 more
2)Made up of lots of water
3)Made up of/uses cells
4)Sense & respond to environment
5)Exchange energy & materials w/ environment
6)Ability to reproduce
7)Ability to evolve |
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Term
| How do you freeze & save a once-living specimen? |
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Definition
| Water is removed & replaced with glycerol or DMSO, because they don't freeze, then the object is stored in liquid nitrogen. |
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Term
| Symbiotic "partners" that make up a lichen? |
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Definition
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Term
| Why can't viruses & prions be considered "alive"? |
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Definition
| Because they do not the defining criteria of life when they are outside their host |
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Term
| Smallest thing that can be considered living? |
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Definition
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Term
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Definition
| Simple proteins that infect nerve cells in the brain. (Mad cow, etc.) |
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Term
| What is a fact about organisms and evolution? |
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Definition
| Organisms themselves don't evolve; evolution occurs at the species level |
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Term
| About how many different elements (types of atoms) make up all living things? |
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Definition
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Term
| When can viruses be considered living? |
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Definition
| When they take over other cells. |
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Term
| What are the most abundant atoms in living organisms? |
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Definition
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Term
| How big is a prokaryotic cell? |
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Definition
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Term
| How many prokaryotic cells could fit across Lincoln's head on a penny? How many small eukaryotic cells? |
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Definition
| 7000 prokaryotic. 700 small eukaryotic. (at 10 micro meters) |
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Term
| According to cell theory, where do new cells come from? |
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Definition
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Term
| What is the role of proteins in membranes? |
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Definition
| To help other molecules get across the membrane |
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Term
| What 2 organelles are primarily involved in producing high-energy molecules like ATP? |
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Definition
| Mitochondria and chloroplasts |
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Term
| What is the function of the cytosol? |
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Definition
| To keep molecules suspended, to facilitate chemical reactions, to keep organelles suspended. |
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Term
| What characteristics would be helpful in determining a plant cell from an animal cell under a microscope? |
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Definition
| Presence/absence of chloroplasts, vacuolar size, presence/absence of a cell wall |
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Term
| What are 3 functions of a nucleus? |
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Definition
| Contains instructions to run the cell, contains genetic info for next generations, holds the chromosomes |
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Term
| What is the role of a membrane transporter? |
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Definition
| To bring sugar molecules into the cell |
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Term
| How are typical plant and animal cells different? |
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Definition
| Plant cells have one massive vacuole, while animal cells have many smaller vacuoles |
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Term
| What is the main role of the vacuole in a typical cell? |
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Definition
| Storing compounds within the cell |
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Term
| In what way are the nucleus, mitochondrian, and chloroplast similar? |
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Definition
| All three have double membranes |
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Term
| What is the primary function of rough ER? |
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Definition
| To make and transport protein throughout the cell |
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Term
| What is the function of a microbody? And size in Memorial Stadium? |
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Definition
| Help some with photosynthesis, break down fat, break down cell. A player. |
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Term
| Nucleus function and size in Memorial Stadium |
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Definition
| Large body w/ 2 outer membranes & watery gel inside. Contains cell's chromosomes, genes, and instructions to run cell |
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Term
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Definition
| Outer membrane with no distinguishable features inside. Stores things like food molecules, pigments, toxins. In plants: water. Seating section. |
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Term
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Definition
| Small bodies w/ an outer & inner membrane that's highly folded, w/ watery gel like substance inside. Provides energy in form of ATP. 1/2 of endzone |
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Term
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Definition
| Large body w/ 2 outer membranes & stacks of membranes inside floating in watery gel. A dozen or so per cell. Function is to do photosynthesis. Endzone. |
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Term
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Definition
| Small stack of sacs with small sacs moving to and from stacks (vesicles). Function is to receive compounds, maybe modify them, package into vesicles, and deliver them. |
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Term
| Endoplasmic Reticulum (ER) |
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Definition
| Series of membrane channels (sheets). Function is to deliver/recive/synthesize compounds like fats & proteins through channels. |
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Term
| What does smooth ER deliver? |
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Definition
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Term
| What is more flexible in delivery? Golgi or ER? |
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Definition
| Golgi, because it can pack things in vesicles and send them, ER has to send it through its channels |
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Term
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Definition
| Tiny round bodies found throughout cell. Maybe 100-100,000/cell. Function is to make protein w/ the genes. Football. |
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Term
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Definition
| Series of stiff or flexible, thick or thin cables thru the cell. Thick=microtubules. Thin=microfilaments. Function is to give cell structure (since they're directly under plasmalemma), help move around organelles, and to move chromosomes. Chalkmarks extended. |
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Term
| What are the 2 types of prokaryotic cells? |
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Definition
| Bacteria & Archaebacteria |
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Term
| What do eukaryotic and prokaryotic cells have in common? |
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Definition
| Both have ribosomes and cytoskelton |
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