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25 Cards in this Set
- Front
- Back
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The type of bond formed between amino acids as they ultimately make up a protein |
Peptide bond |
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How do enzymes increase the rate of a chemical reaction |
Enzymes provide a location for substrates to react |
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What four elements are most commonly found in nucleic acids |
Phosphorus, nitrogen, hydrogen, oxygen |
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What two things are made up of nucleotides |
DNA and RNA |
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The three parts of the cell theory |
The cell is the basic unit of structure and function in all living things Living organisms are made up of one or more cells Cells come from the reproduction of pre- existing cells |
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Which two scientists are most responsible for determining that all living are made of one or more cells |
Matthias Scleiden and Theodor Schwann |
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Which two structures are found in both prokaryotic and eukaryotic cells |
Ribosomes and cell membrane |
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Two characteristics shared by plant cells and fungi cells |
Presence of cell wall and ribosomes |
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The two major structural components of the cell membrane |
Phospholipids and proteins |
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What is the main function of a cell wall |
To support and protect the cell |
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Which type of cell would you expect to contain the most mitochondria |
Muscle cells that require the most energy |
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What is two examples of active transport |
Endocytosis and exocytosis |
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What are two examples of passive transport |
Diffusion and osmosis |
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Which two substances are most likely to cross a cells phospholipid bilayer by simple diffusion |
Carbon dioxide and oxygen |
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What describes dynamic equilibrium |
Molecules move into a cell at the same rate as molecules move out of the cell |
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What happens after an enzyme catalyzed reaction is completed |
The enzyme is released and available for use again |
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Osmosis always involves the movement of what |
Water molecules |
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Water always moves toward what |
The salt |
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When the cell membrane pulls away from the cell wall |
Plasmolysis |
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When does diffusion occur across a cell membrane |
When the cell concentration of particles is different on each side of the cell membrane |
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Water will move out of a cell when it is placed in which type of of solution |
Hypertonic |
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Can be used to move small particles across a cell membrane |
Transport proteins |
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Which two substances would animal intestinal cells most likely take in by facilitated diffusion |
Glucose and calcium ions |
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What is true about endocytosis |
Endocytosis can take in a particle of food by surrounding it with the cell membrane |
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The sequence of base pairs |
AT and GC |
