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cells info
study this to be ready for our cells test on wed
Question | Answer |
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what are 3 things that are different between plant and animal cells> | animal cells are round and plant cells are more squarish. plant cells have chloroplasts and a cell wall, and animal cells don't. animal cells have many small vacuoles, but plant cells have one big one. |
what is the proper way to hold a microscope> | with one hand, grip the arm, and place the other hand under the base for support. |
what is the function of the eyepiece on a microscope> | it is was you look through to see the slide and it magnifys the slide. |
what is the function of the nosepiece on a microscope> | it is used to hold the objectives and turn them around |
what do the objectives do on a microscope> | they are used to magnify the slide with different magnifications(low,medium,high). |
what is the stage on a microscope> | it is where you place the slide to view it under the microscope. |
on a microscope, what is the light source> | the place at the bottom of the microscope where the light used to see the slide comes from. |
what is the base of a microscope> | this part provides support for the microscope. |
what does the course adjustment knob do on a microscope> | this focuses the image under low power. |
what does the fine adjustment knob do on a microscope? | this sharpens the image under high magnification. |
what is the body tube on a microscope> | it is the part that connects the eyepiece and the nosepiece. |
what is the diaphragm<><><><><><: | this controls the amount of light that shines up to the slide. |
What power do you START on when looking into a microscope> | low power |
what is used to examine small particles that are smaller than the human eye can see> | a microscope/ |
what is the part of a cell that controls everything? | the nucleus |
what part of a cell makes protein? | ribosomes |
What is the smallest part of a living thing? | a cell |
what digests and breaks down paricles in a cell? | lysosomes |
What is the whip-like tail that some protists(euglena) use to move around? | flagella |
what are the tiny hairs that some protists(paramecium) use to move? | cilia |
what is the foot like extension of an amoeba that is uses to move? | psuedopod |
euglena,amoeba,paramecium are all_______ | protists |
what is the name for rod-shaped bacteria? | bacilli |
what is the name for round bacteria? | cocci |
what is the name for spiral shape bacteria> | spirilla |
what is the storage center of a cell> | the vacuole(s) |
what surrounds a plant cell and gives it support and shape? | a cell wall |
what makes food for plant cells? | chloroplasts |
what are one-celles organisms that are found everywhere and some of them are harmful when some are helpful. | bacteria |
what is a group of cells that do the same job? | tissue |
what part of a cell produces energy? | mitochondria |
What are bacteria? | they are living cells that are found most everywhere |
are bacteria prokaryotic or eukaryotic and what does this mean? | prokaryotic; they have no nucleus |
what are 2 things that are harmful about bacteria? | they produce pathogens which can cause disease and they are found in your mouth and produce tooth decay. |
what are 2 helpful things about bacteria? | they produce antibiotics and they are found in your intestines. |
What is a protist? | a one or many-celled organism that lives in moist or wet surroundings. |
Describe the 3 groups of protists. | there are funguslike,animallike, and plantlike. funguslike and animallike are both consumers and plantlike are producers. |
what releases the energy for cells> | Golgi bodies |
outer protective covering that controls materials to send out of a cell | cell membrane |
all protozoans are____________ because they take in food. | consumers |