Microscope
Cell Organelles
Cell Transport
More Cell Transport
Mix
100
Compound light microscopes have a flaw of getting a decreased image of view and low resolution as the magnification is ____________
increased.
100
This organelle is the kitchen of many eukaryotic cells.
Chloroplast
100
There are plenty of phospholipids in the cell membrane. What are the monomers of phospholipids?
Fatty acids
100
There are some carbohydrates in the cell membrane. What is the monomer of carbohydrates?
Monosaccharides
100
The ABCs of the cell theory
1. ALL living organisms are made of cells.
2. Cells are the BASIC unit of life.
3. CELLS come from preexisting cells.
200
Mark wants to observe pond water and the insects in it. He does not want to harm the insects. What is the best microscope to use?
Compound light microscope
200
A nuclear envelope surrounds the nucleus. Only __________________ have a nuclear envelope.
eukaryotes
200
The purple channel in this picture is actually a _____________ (one of the four macromolecules)
protein
200
How can we make sure we get more reliable results from the egg experiment?
Do it with more eggs.
200
Spontaneous generation is a FALSE theory because...
Cells must come from pre-exisiting cells, not rotting meat (garbage).
300
Robert wants to examine the details on the internal structure of a plant cell. What kind of microscope should he use?
TEM (transmission electron microscope)
300
What do prokaryotes and eukaryotes have in common?
DNA, ribosomes, cell membrane and cytoplasm.
300
Which type of transport is this?
Active
300
Which way is water going to move?
Left to right
300
How would you distinguish between a plant and an animal cell if you were viewing an unknown cell under the microscope?
By searching for chloroplasts and a cell wall.
400
Katie is observing a specimen under a microscope with a 25,000 power of magnification. What kind of microscope is she using?
An electron microscope (TEM or SEM).
400
Muscle cells require lots of energy. Which organelle should be found in large amounts in these cells?
Mitochondria
400
You rinse your mouth with salt water and the swelling in your gums goes down. Why?
Water has moved out of the cells to dilute the external salty environment.
400
Is this passive or active transport?
Passive
400
Which cell part is made of a double layer of phospholipids embedded with proteins?
Cell/plasma membrane
500
What do compound light microscopes and transmission electron microscopes have in common?
Both can be used for dead specimens and both can see 2D.
500
The ER is sending some proteins to the _______________ in order for it to be modified and repackaged before it is sent out of the cell.
Golgi
500
The egg placed in the hypotonic solution has increased in size/mass. You can conclude that cells placed in liquids with a ______ concentration of water will increase in size.
high (mostly water)
500
A cell has accumulated lots of vitamin A. Having too much is not good for maintaining a stable cell (homeostasis). What should happen to the extra vitamin A?
It needs to be transported outside the cell.
500
Which of these is correct?
a. Phospholipids make up fatty acids.
b. Nucleic acids are made of nucleotides.
c. Monosaccharides are made of carbohydrates.
b