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Dezi's science sutto
Desiree' Science Test
| Question | Answer |
|---|---|
| What are the 3 points of the cell theory | all living things are made of cells, cells come from cells, cells are the basic unit of structure and function |
| Simplest to complex: organ, cell, organ system tissue | cell, tissue, organ, organ system |
| Is the DNA ladder a double or a single helix molecule | double |
| The doubling of chromosomes in mitosis ensures that both new cells have what? | have identical genetic make up |
| The study of how traits are inherited is called | genetics |
| In plants, what captures sunlight so the process of photosynthesis can take place? | chloroplast |
| What are the raw materials that plants need for photosynthesis | sun carbon dioxide and water |
| what does C6H12O6 stand for | Sugar or glucose |
| What 2 organelles are found in plant cells and not in animal cells | Cell wall and chloroplast |
| If carbon dioxide is greater inside a cell than outside, then which direction would it move | out |
| How would a plant respond to the stimulus of the sun? | it would turn to the sun |
| What is the primary source of energy for most living organsims | the sun |
| what unit of measurement is used to determine mass | grams |
| what is an independent variable | what you change on purpose |
| what is a dependent variable | what happens because of the independent variable |
| what is the definition of repeated trials | number of times each level of the independent variable tested |
| process of water moving across a membrane is known as | osmosis |
| what stage of mitosis do the chromosomes line up in the middle of the cell | metaphase |
| what stage of the cell cycle do we have two daughter cells | cytokinesis |
| Which type of body cells would you find the most mitochondria | muscles |
| who were the three main contributors to the discovery of DNA | Franklin, Crick and Watson |
| Define Homeostasis | Stable internal condition |
| Define respiration | process of breaking down sugars and using the energy |
| What do we call the visible (physical characteristics) of an organism? | phenotype |
| what are the genetic characteristics called? | genotype |
| photosynthesis and respiration are said to be | opposites |
| what organelle is the "brain" of the cell | Nucleus |
| Which organelle allows particles to move in and out | cell membrane |
| Who looked at cork under a microscope | Robert hooke |
| what name did the person looking at the cork under the microscope give the tiny structures he structures | cells |
Created by:
deborah.figgs
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