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36 Cards in this Set
- Front
- Back
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How do you determine it is a Prokaryote? |
It DOES NOT HAVE A NUCLEUS |
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what kind on cell encloses DNA in a nucleus? |
Eukaryotes |
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What is an example of a Prokaryote? |
Bacteria |
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which organelles breaks down organelles that are no longer useful? |
Lymosomes |
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Nucleus function? |
Store DNA |
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Cytoskeleton function? |
help the cell keep is shape |
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what structure makes proteins with codes from the nucleus? |
ribosomes |
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which organelle converts the chemical energy stored in food into compounds the cell can use? |
Mitochondria. |
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which organelles are involved in energy conversion? |
mitochondria and chloroplasts |
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which organelle is in plant cells but not animal cells? |
chloroplast |
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what's the function of a cell wall |
support and protect cell |
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cells boundary from environment? |
cell membrane |
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function of cell membrane |
regulate movement of materials in and out of a cell |
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why does diffusion occur? |
molecules are constantly moving and colliding into each other, this generates heat which creates energy |
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Define osmosis |
diffusion of water across a semi permeable membrane |
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An Animal Cell is surrounded by fresh water and bursts because osmotic pressure causing: |
water to move into the cell |
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Endocytosis |
a cell absorbs |
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Level of organization smallest to largest |
cell, tissue, organ, organ system, |
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which or the four common organic compounds does oil belong? |
Lipids |
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what compound group does sugar belong to? |
Carbohydrates |
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to what group does enzymes belong? |
Proteins |
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which term describes constant physical internal condition |
Homostasis |
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Isotopes are atoms of the same elements with the same # of proteins and a different # of... |
neutrons |
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an atom had 11 protons 12 neutrons. what is the atomic number? |
11 |
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What type of ions form when an atom loses an electron? |
Positive |
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when salt is dissolved in water the water is the: |
Solvent |
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Solutions that have more OH- than. H+ ions are |
bases |
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Function of a cell wall |
Shape and support cell |
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cell membrane function |
filter materials |
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Nucleus function |
contains DNA |
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ER Function |
assemble proteins and lipids |
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Mitochondria function |
converts Chem. energy into food |
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Chloroplast function |
converts solar energy |
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Golgi Apperatus Function |
Packages proteins for storage |
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Vacoule Define |
stores materials |
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Lymosome purpose |
recycles macromolecules |
