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Rokes Cells
| Question | Answer |
|---|---|
| smallest unit of life that can perform all life processes; cells are covered by membrane and have DNA and cytoplasm | Cell |
| anything that causes a reaction or change in a organism or any part of a organism | Stimulus |
| maintenance of a constant internal state in changing environment | homeostasis |
| reproduction in which cells from two parents unite, producing offspring that share traits from both parents | sexual reproduction |
| reproduction that does not involve union of sex cells and in which one parent produces offspring identical to itself | asexual reproduction |
| passing of genetic traits from parent to offspring | heredity |
| sum of all chemical processes that occur in a organism | metabolism |
| organism that can make its own food by using energy from its surroundings | producer |
| organisms that eats other organisms or organic matter | consumer |
| an organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or absorbing the nutrients | decomposer |
| molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body | protein |
| class of energy giving nutrients that includes sugars, starches, and fiber; contains carbon, hydrogen, and oxygen | carbohydrate |
| type of biochemical that does not dissolve in water; fats and steroids are lipids | Lipid |
| a lipid that contains phosphorus and that is a structural component in cell membranes | Phospholipid |
| Adenosine triphosphate a molecule that acts as the main energy source fro cell processes | ATP |
| molecule made up of units called nucleotides | Nucleic acid |
| most of the chemical reactions involved in metabolism require? | water |
| air is a mixture of gases, oxygen and | carbon dioxide |
| compounds that make up proteins | amino acids |
| proteins that speed up chemical reactions | enzymes |
| molecules made up of different kinds of atoms are | compounds |
| the major energy carrying molecule in a cell is | ATP |
| molecules consisting of subunits called nucleotides are called | nucleic acid |
| how long can humans survive without water | 3 days |
| what are four basic needs for every organism | water, air, food, and a place to live |
| green plants, algae and some bacteria need carbon dioxide gas in addition to | oxygen |
| cells of most living things are made of approximately | 70% water |
| energy giving nutrients such as sugars starches and fiber are called | carbohydrates |
| which is not true about lipids | lipids mix with water |
| the molecules that form much of the cell membrane are | phospholipid |
| carbohydrates made of one sugar molecule or few linked sugar molecules are called | simple carbohdyrates |
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Rokes
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