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JThull Cells
St. Roberts Jess Thull
| Question | Answer |
|---|---|
| cell | the smallest unit that can preform all life process; cells are covered by a membrane and have DNA and cytoplasm |
| stimulus | anything that cause a reaction or change in an organism |
| homeostasis | the maintenance of a constant internal state in a changing enviorment |
| sexual reproduction | reproduction in which the sex cells from two parents unite, producing offspring that share traits from both parents. |
| asexual reproduction | reproduction that does not involve the union of sex cells and in which one parent produces offspring identical to itself |
| heredity | the passing of genetic traits from parent to offspring |
| metabolism | the sum of all chemical processes that occur in an organism |
| producer | an organism that can make its own food by using energy from its surroundings |
| consumer | an organism that eats other organisms or organic matter |
| decomposer | and organism that gets energy by breaking down dead organisms or animal wastes and consuming or absorbing the nutrients |
| protein | a molecule that is made up of amino acids and that is needed to build and repair body structures and regulate processes in the body |
| carbohydrate | a class of energy giving nutrients that includes sugars starches and fiber; contains carbon hydrogen and oxygen |
| lipid | a type of biochemical that does not dissolve in water; fats and steriods are lipids |
| phospholipid | a lipid that contains phosphorus and that is a structural componet in cell membranes |
| ATP | Adenosine TriPhosphate, a molecule that acts as the main energy source for cell processes |
| nucleic acid | a molecule made up of subunits called nucleotides |
| what is the difference between simple carbohydrates and complex carbohydrates? | simple carbohydrates are made up of one dugar molecule or few sugar molecules linked together and complex carbohydrates are made of hundreds of sugar molecules linked together. |
| Anything in the environment that causes a reaction or change in an organism is called | stimulus |
| Two parents produce off spring that share thier characteristics through ________ reproduction | sexual |
| A single parent produces offspring identical to the parent through ____________ reproduction | asexual |
| Most single cell organisms reproduce through __________________ reproduction | asexual |
| Most animals and plants reproduce through ____________ reproduction | sexual |
| The passing of traits from parents to offspring is called | heredity |
| What are three examples of activities of life carried out by all organisms? | making food, breaking down food, moving materials into and out of cells and building cells. |
| The total of all chemical activities that an organism performs is an organisms | metabolism |
| Sunlight can be a | stimulus |
| Living things are made of | Cells |
| Cells of most living things are made of approximately | 70% of water |
| Most of the chemical reactions involved in metabolism require | water |
| About how long can a human survive without water | 3 days |
| Air is a mixture of gases including oxygen and | carbon dioxide |
| What is a chemical process in which most living things use oxygen | releasing energy from food |
| Green plants, algea and some bacteria need carbon dioxide, gas in addition to | oxygen |
| Eats other living organisms or organic matter | consumer |
| A mushroom | decomposer |
| A frog | consumer |
| Uses energy from the sun or the chemicals in the enviornment to make food | decomposer |
| A Plant | producer |
| Gets energy by breaking down nutriants in dead organisms or animal waste | decomposer |
| Compounds that makeup proteins | amino acids |
| Proteins that speed up chemical reaction | enzymes |
| A protein found in read blood cells that attach to oxygen | hemoglobin |
| A nutrient involved in almost all life processes | protein |
| Carbohydrates made of one surgar molecule or a few linked sugar molecules are called | simple carbohydrates |
| What is an example of a simple carbohydrates | table sugar and surgar in fruit |
| A carbohydrate made up of 100's of molecules linked together is called | complex carbohydrate |
| The molecure that forms much of the cell membrane | phospholipids |
| The major energy carrying molecure in the cell is | ATP |
| Molecures consisting of subunits called nucleotides are called | nucleic acids |
Created by:
Jess Thull
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