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GaetaStudyStack
| Question | Answer |
|---|---|
| What are the sub-units of nucleic acids called? | nucleotides |
| What is a change that affects the activity of the organism? | Stimulus |
| What is reproduction in which the sex cells from two parents unite, producing offspring that share traits from both parents? | Sexual Reproduction |
| What is reproduction that doesn't involve the union of sex cells and in which one parent produces offspring identical to itself? | Asexual Reproduction |
| What is the passing of traits from one generation to the next? | Heredity |
| What is the total of all the chemical activities an organism performs? | Metabolism |
| What is the smallest unit that can perform all life processes? | A cell |
| What is the maintenance of a stable internal environment? | Homeostasis |
| What is an organism that makes its own food? | A producer |
| What is an organism that eats other organisms or organic matter? | A consumer |
| What is an organism that breaks down the remains of dead organisms or animal waste to get energy? | A decomposer |
| What is the major energy-carrying molecule in the cell? | ATP |
| What is molecule made entirely of sugars? | A carbohydrate |
| What is a molecule that is sometimes called the blueprint of life? | A nucleic acid |
| What is a large molecule made of smaller molecules called amino acids? | A protein |
| What is a molecule that forms much of the cell membrane? | A phospholipid |
| What is an energy storing compound that cannot mix with water? | A lipid |
| A flame can move, grow larger and give off heat. Is a flame alive? Explain. | No, a flame is not alive. It does not have cells or reproduce using sexual or asexual reproduction. |
| In an organism with many cells there are different cells that can perform different functions. But what if an organism is single celled? | Then, different parts of the one cell perform the different functions. |
| When your pupils are exposed to light what happens to them? What happens in the dark? | In light, your pupils with contract, or get smaller. In dark, your pupils will expand, or grow larger. |
| Give three examples of stimuli. | Gravity, light, sound |
| How do some organisms keep homeostasis? | Some organisms move from one environment to the next to keep stable conditions. |
| How do most single-celled organisms reproduce? | Asexual Reproduction |
| How do most multi-cellular organisms reproduce? | Sexual Reproduction |
| What does DNA do? | DNA controls the structure and function of cells, and ensures that offspring resemble their parents. |
| What do living things use energy for? | to make food, break down substances and move materials in and out of cells |
| How does a single-celled organism grow and develop? | The cell gets larger and divides, making other organisms. |
| How do multi-cellular organisms grow and develop? | The number of cells get larger and the organism gets bigger. |
| How much of your body is made of water? | 70% |
| How many days could you survive without water? | about 3 days |
| What gases does air contain? | Oxygen and carbon dioxide |
| How does limited space on Earth affect organisms? | Organisms must compete for the their needs. |
| What does food give organisms? | Food gives organisms energy and the raw materials they need to carry on life processes. |
| How to organisms get the amino acids they need for their cells? | Organisms break down the proteins from food to supply their cells with amino acids. |
| What kind of protein starts or speeds up the chemical reactions in cells? | enzymes |
| What are carbohydrates used for? | a source of energy and for energy storage |
| What are the two kinds of carbohydrates? | simple and complex carbohydrates |
| What element can lipids not mix with? | water |
| What are fats and oils? | lipids |
| What must the energy from lipids and carbohydrates be transferred to? | ATP |
| What element is sometimes called the blueprints of life? | Nucleic Acids |
| What element is DNA a part of? | Nucleic Acids |
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