Mrs. Whittington
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| ionic bond | electrons are transferred to each other
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| covalent bond | atoms share an electron
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| element | pure substance made of one type of atom
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| ions | atoms that have gained or lost electron (gain=negative charge, lose=positive).
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| cohesion | an attraction of molecules of the same substance
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| adhesion | attraction of molecules of diff substances
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| chemical reactions | process of breaking chemical bonds into different substances EX: photosynthesis
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| enzymes can cause strawberries to rot because they are a what | a catalyst that speeds up reactions in living things
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| an enzyme is a type of protein that breaks down materials.. white blood cells that have lysosomes... usually ends in "ase" (sugar)....lower activation energy...energy required to start a reaction. |
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| enzymes | have a specific shape for a specific substrate- something that needs to be broken down
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| the spot where a substrate connects with the enzyme is called the active site |
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| temperature and ph can affect the productivity of the enzyme by changing the shape of the active site. This is called.... | denaturalization
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| carbohydrates are made of... | carbon, hydrogen, oxygen (structures area is ring shaped) its function is for the body to break down for energy.
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| lipids are made of... | carbon,hydrogen, and oxygen (ex:oils,fats,waxes) -> chain structure -> function is to store energy and absorb minerals.
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| the head of a lipid is what | hydrophilic
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| the tail of the lipid is what | hydrophobic
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| proteins are made of what | carbon, hydrogen, oxygen, and nitrogen (ex: enzymes, keratin -> function is to perform cell functions -> monomer-made -> made of amino acids.
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| monomer | a molecule that can be bonded with other identical molecules to form a polymer
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| nucleic acids made of carbon, hydrogen, oxygen, nitrogen, and phosphate | carbon, hydrogen, oxygen, nitrogen, and phosphate (ex: DNA RNA) -> monomer-> nucleotide -> sugar phosphate nitrogen base - function is genetic code
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| ATP | usable form of energy/ made during cellular respiration in mitochondria
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| energy is released when bond of.... | 2nd and 3rd phosphate is broken.
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| cell membrane also called a plasma membrane does what | regulates what goes in/out of a cell
selectively permeable lipid bi-layer ( what it's made of) and helps cell maintain homeostasis
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| passive transport does what | moves materials across cell membrane from high to low concentration
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| Simple diffusion- | smaller particles can easily pass through
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| facilitates diffusion | movement of particles to help w help from protein channels. (osmosis- diffusion across cell membrane using aquaporins)
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| Water has a hard time passing through bc of hydrophobic tails. |
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| isotonic (solution) | same strength
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| hypertonic | above strength (high concentration)
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| hypotontic | below strength (low)
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| active transport | movement of particles from low concentration to high using energy (atp)
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| molecular transport | uses protein pumps to move particles across cell membrane (sodium, potassium) -pump changes shape when contacted with energy
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| bulk transport | movement of large particles
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| endocytosis | moving material into cell
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| phagocytosis | particle is engulfed (WBC)
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| pinocytosis | particle is pinched off into vesicle
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
Marissa Holloway
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