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AndiiSkyee
on FreezingBlue Flashcards.
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What is the term that is given to anything that occupies space and has mass?
Matter.
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What 4 elements comprise 96% of the body?
Carbon, Oxygen, Hydrogen, and Nitrogen.
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What is the building blocks of elements?
Atoms
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What does the atomic number of an element tell you?
The number of protons and electrons.
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What does the atomic mass of an element tell you?
The sum of protons and nuetrons.
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What is an isotope?
It's the same element with different number of nuetrons.
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What is the term given to two or more different atoms combined chemically?
A compund.
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What type of bond is formed when atoms donate or accept (transfer) electrons?
An ionic bond.
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What type of bond is formed when atoms share an electron?
A covalent bond.
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What is the most abundant inorganic compound in our body?
Water.
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What element do all organic compounds contain?
Carbon.
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Which bio-molecule contains carbon,hydrogen, and oxygen in a 1:2:1 ratio and includes sugars and starches?
Carbohydrates.
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What type of bio molecule contains carbon, hydrogen, oxygen, and is insoluble in water?
Lipids.
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What element in addition to carbon, hydrogen, and oxygen is found in protein?
Nitrogen and sometimes sulfur.
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Which biomolecule is made up of amino acids and accounts for over half of the body's organic matter?
Portiens.
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What term is given to a protein which acts as a biological catalyst, increasing the rate of chemical reaction?
Enzymes
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What mus a DNA do before a cell undergoes division?
Replicate
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DNA contains instructions for making which biomolecule?
Protein.
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What is the chemical energy produced in the mitochondria which is used by all cells?
ATP.
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What is the basic unit of life?
Cells.
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What is the name of the specialized structure which performs a particular job or function in a eukaryotic cells?
Organelle.
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What is the difference between eukariotic and prokaryotic cells and which type do humans have?
Prokaryotic cells don't have a nucleus and Eukariotic cells do have a nucleus. Humans have a Eukaryotic cell.
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What organelle is known as the "control center" of the cell?
The nucleus.
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Which organelle is the site of protein synthesis?
Ribosomes.
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Which organelle found in animal cells is involved in cell division?
Centriole.
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To which organelle are the ribosomes attached?
Rough endoplasmic reticulum. (Rough ER)
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Which organelle is involved in digestion within the cell?
Lysosomes
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Which organelle is known as the "gate keeper", regualting what comes in and out of the cell?
Plasma Membrane.
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What is the clear, jelly-fluid found inside a cell?
Cytoplasm
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Which organelle produces energy in the cell from nutrients and is known as the "powerhouse"?
Mitochondria.
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