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20 Cards in this Set

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  • Back
Which help form cell walls and membranes; provide energy.... carbohydrates, lipids or proteins?
carbohydrates
example: sugars
Which help form cell membranes....
carbohydrates, lipids, or proteins?
lipids
example: fats
Which help form cell membranes and organelles; speed up chemical reactions... lipids, atoms, proteins
protein
example: enzymes
What directs ll the cell's functions; production of proteins....sugars, DNA, nucleic acids, or carbohydrates?
DNA
Most compounds that contain carbon are (which) organic or inorganic compounds?
organic compounds
A type of nucleic acid that plays an important role in the production of proteins is called _____
RNA
Compounds that do NOT contain the element carbon are called (which) organic or inorganic compounds?
inorganic compounds
A type of nucleic acid that passes form parent to offspring and direct all the cell's functions is called............?
DNA
Very large organic molecules made of carbon, hydrogen, oxygen, nitrogen, and phosphorus are called........?
nucleic acids
Large organic molecules made up of carbon, hydrogen, oxygen, nitrogen, and, in some cases, sulfur are called.............?
proteins
What is the smallest unit of most compounds?
molecule
What are small molecules that make up proteins?
amino acids
What is the chemical combination of two or more elements?
compound
Which type of protein speeds up chemical reactions in living things?
enzyme
What is the smallest unit of an element?
atom
Any substance that CANNOT be broken down into simpler substance is called?
element
When two parents combine their genetic material to produce a new organism that differs from both parents it is called .....?
sexual reproduction
When one bacterium divides to form two identical bacteria cells it is called ..........?
binary fission
What is a small, thick-walled resting cell that forms inside a bacterial cell?
endospore
What is the region inside the cell membrane called?
cytoplasm