Vocabulary
Microscope
Organelles
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Random Cntd.
100
All individual forms of life that use energy to carry out the activities of life.
organism
100
Who is credited with the dicoverey cells and how did they discover them?
Robert Hooke & Anton van Leeuwenkoek they used microscopes to see them
100
A tough outer covering that lies just outside the membrane.
cell wall
100
Humans have ____ major organ systems.
11
100
Name the three types of microscopes.
*light microscope *scanning electron microscope/SEM *transmission electron microscope/TEM
200
Any part of a cell enclosed by a membrane.
organelle
200
Why don't you use coarse adjusment on high power?
it cracks the slide
200
In a prokaryotic cell there is no compartment for genetic material, so instead it is in the ______.
cytoplasm
200
In a drip of pond water there are many _____. Two words only for points!
unicellular organisms
200
What are the advantages and disadvantages of different types of microscopes?
TEM & SEM- allow you to see objects as small as 0.002 micrometers, but don't allow you to see live spiecmen Light microscope- allow you to see live spiecimen but don't show organisms smaller than 0.02 micrometers
300
A group of similar cells that are organized to do a specific job.
tissue
300
Located on the stage, adjusts the amount of light passing into the slide
diaphram
300
Sacs inside plant and fungus cells
vacuoles
300
Water provides materials and .....
living space
300
What does an endoplasmic reticulum do?
it's a passageway that carries protiens/materials to different parts of the cell
400
When a cell and its organelles are organized to allow it to do a specific job.
specialization
400
Small platform where the specimen is mounted for examination.
stage
400
Most of the organisms alive on Earth today are what?
made of single cell; unicellular
400
What did Pasteur prove wrong and how?
Pasteur proved spontaneous generation wrong by filling to flasks with broth. He heated one up and left the other one alone. He noticed that bacteria came into the unheated broth, proving that bacteria is in the air, which proves that spontaneous generation is wrong.
400
Eukaryotic cells are 100 times larger than what, on average?
prokaryotic cells
500
Vesicles that contain chemicals to break down materials
lysosomes
500
How do you calculate the amount of times an object has been magnified on a microscope?
Multiply the objective by 10.
500
How many layers of skin tissue do humans have? How are they placed? What do they provide?
Two layers; layered on top of each other; protection and support
500
What are the concepts of the cell theory, the needs of life, and the characteristics of life. FULL ANSWER!!!!
1-Every living thing is made of cells 2-Cells carry out functions needed to support life 3-Cells come only from cells 1-Energy 2-Materials 3-Living space 1-Organization 2-The ability to develop and grow 3-The ability to respond to the environment 4-The ability to reproduce
500
Give 3 organelles other than the nucleus that are in a eukaryotic cell.
optional: endoplasmic reticulum ribosom golgi apparatus vesicles mitochondrion membrane lysosome
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