Bio Chapter 7 - Cell Functions
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Last updated 2:38 PM on 11/18/22
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47 Terms
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Unicellular Organisms
________- filled with water and have a pump to help from exploding.
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Antonie Van Leeuwenhoek
________ observed microorganisms in pond water under a microscope.
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Osmosis
________ is only concerned with water and its levels.
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Theodore Schwann
________ concluded that all animal tissue is made of cells.
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flexible structure
Gives a(n) ________ that forms a barrier between a cell and its surroundings.
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Protein channels
________ are specific to certain particles only.
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Centrioles
________ are also formed from tubulins.
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Convert energy
________ from food into compounds that can be used more conveniently by the rest of the cell.
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cell divides
When a(n) ________, chromatin condenses to become chromosomes.
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electron microscopes
Scanning ________ create 3D images.
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proteins
Occurs when particles are too large to be carried by ________.
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Substances
________ diffuse across membranes without using energy.
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DNA
________ is stored in the nucleus.
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vacuole
A(n) ________ is formed around the material that works to bring it into the cell.
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Matthias Scheider
________ concluded that all plant tissue is made of cells and that cells are a basic unit of life.
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Membranes
________ contain integral proteins that can assist in the movement of larger particles.
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James Hooke
________ coined the term "cell.
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Electrons
________ bounce off of and do not have to be cut into small slices.
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Particles
________ tend to move from areas of high concentration to low concentration.
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materials
Occurs when ________ have to move from areas of low to high concentration.
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Envelopes
________ contain pores that only RNA can pass through.
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plant cells
In ________- the central vacuole is filled with liquid that is used for photosynthesis + helps the plant stand upright.
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Small molecules
________ are carried by proteins.
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Capture energy
________ from the sun and convert it into chemical energy.
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Smooth ER
________- Creates lipids and detoxifies drugs.
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Rough ER
________- Proteins are assembled on ribosomes.
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Cells
________ are the basic unit of life and structure of all organisms.
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Transmission electron microscopes
________ are used to show cell structure and large protein molecules.
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Proteins
________ are moved from ER to Golgi.
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Study
New Technology allowed people to study the movement and structure of cells
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Organelles
Preform cell functions
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2 Parts
Nucleus + Cytoplasm
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Nucleus
Holds instructions
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Ribosomes
Build
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ER
Shape
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Golgi
Modify/Sort/Package
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Vesicles
Ships
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Granular material in the nucleus
Chromatin
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Chromatin
made of RNA and protein
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Rough ER
Proteins are assembled on ribosomes
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Smooth ER
Creates lipids and detoxifies drugs
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In plant cells
the central vacuole is filled with liquid that is used for photosynthesis + helps the plant stand upright
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Unicellular Organisms
filled with water and have a pump to help from exploding
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No movement
extra padding
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More concentrated solution
Hypertonic
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Less concentrated solution
Hypotonic
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Glucose Transport
Only for glucose
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