Contain digestive enzymes and can break down work out components of a cell.
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Function of a golgi apparatus
Processes and packages new lipids and proteins. Also makes new lysosomes.
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Difference between a light and electron microscope.
Light microscope uses light and has a lower resolution. Electron microscopes use electrons and have a higher resolution.
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Difference between SEM and TEM
SEM- scan a beam of electrons ACROSS the specimen. TEM- use electronmagnets to focus a beam of electrons which is transmitted through a specimen
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What does a triglyceride consist of? And how are they formed?
Has 3 fatty acids attached to a glycerol. The fatty acid tails are hydrophobic so they repel water. Formed by a condensation reaction.
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Whats the difference between Unsaturated and saturated fatty acids?
Saturated fatty acids have no double bonds as all the carbons are saturated with hydrogen. Unsaturated fatty acids have double bonds between carbon atoms. There are 2 types- monounsaturated-1 double bond. Polyunsaturated- more than 1 double bond
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What is the test for lipids?
The emulsion test- add ethanol and turns a milky emulsion if lipids are present.
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How do you get a faster rate of diffusion?
Higher concentration gradient, thin exchange surface, large surface area.
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what do carrier proteins do in facilitated diffusion?
Move large molecules in and out of a cell. The molecule attaches to the protein and the protein changes shape releasing the molecule on the other side.
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Other cards in this set
Card 2
Front
Function of a golgi apparatus
Back
Processes and packages new lipids and proteins. Also makes new lysosomes.
Card 3
Front
Difference between a light and electron microscope.
Back
Card 4
Front
Difference between SEM and TEM
Back
Card 5
Front
What does a triglyceride consist of? And how are they formed?
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