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Ch 2 Cells
Photosynthesis, Respiration, Cell Cycle
| Question | Answer |
|---|---|
| Plants use energy from the sun to produce___________ and sugars. | Oxygen |
| An organism that cannot make its own food is called a... | Heterotroph |
| Photosynthesis & respiration for a cycle that keeps the levels of ________ and carbon dioxide fairly constant in the atmosphere. | Oxygen |
| The raw materials for respiration are the __________ the end products for photosynthesis | same as |
| When muscle cells run low on oxygen, _________ _____fermentation takes place. | Lactic Acid |
| A cell makes a copy of its DNA during the stage of the cell cycle called ___________. | Interphase |
| In a DNA molecule, guanine (G) always pairs with ________. | Cytosine (C) |
| Cancerous cells grow in an ___________ way. | Abnormal |
| A _________ is a mass of abnormal cells that develops when cancerous cells divide and grow uncontrollable. | Tumor |
| Radiation is _____ harmful to normal cells than to cancerous cells. | Less |
| The products of photosynthesis are ________ & __________. | Oxygen & Sugars (glucose) |
| During photosynthesis the cell uses the ______ in sunlight to make food. | energy |
| During respiration ________ is broken down releasing energy. | Glucose |
| The stage of respiration that releases most of the energy in glucose occurs in the __________ | "Mighty" mitochondria, the powerhouse of the cell. |
| Photosynthesis and respiration are related because they have the same equation but are __________ | Opposites |
| Respiration & photosynthesis keep the evels of carbon dioxide and oxygen _____________ | fairly constant |
| The term that refers to the production of energy by a cell without using oxygen is __________. | Fermentation |
| Lactic acid fermentation is caused by too little _________ in the cells. | Oxygen |
| During Mitosis the cell's __________ divides into two new nuclei. | Nucleus |
| During cytokinesis in animal cells, two new daughter _____ are formed | Cells |
| During DNA replication, adenine (A) always pairs with _________. | Thymine (T) |
| Cancer is a disease in which __________ grow and divide uncontrollable. | Cells |
| Scientists think cancer begins when a mutation occurs in ____. | DNA |
| There are over _________different types of cancer | 100 |
| The longest stage of the cell cycle is ____________. | Interphase |
| The last stage of the cell cycle is ___________ | Cytokinesis |
| The stage of the cell cycle in which the cytoplasm divides distributing the organelles into each of the 2 new cells is ________. | Cytokinesis |
| Respiration in most cells requires | oxygen |
| During ____________ of the cell cycle relication occurs. | Interphase |
| What captures light energy from the sunlight during photsynthesis ____________? | Cholorophyll & other pigments |
| Carbon dioxide enters the plant through the __________. | Stomata |
| Is yeast, oxygen, lactic acid, carbon dioxide, or bread one form of alcoholic fermentation. | Yeast |
| What is the main cause of lung cancer? | Smoking |
| A cancerous tumor is a mass of _______________ cells. | Abnormal |
| Chemotherapy is the use of ___________ to kill cancer. | Drugs |
| What is copied during replication | DNA |
| Eating unhealthy could lead to almost as many _________ deaths as smoking. | Cancer |
| During respiration, glocose is combines with ______________, releasing energy | Oxygen |
| Almost all living things depend on the process of ______________ to give them the energy then need. | Photosynthesis |
| Plants make their own food from the light energy they get from the _______. | Sun |
| In photosynthesis, plants use the light energy they get from the sun and convert it to stored _________ chemical energy in the form of sugars or glucose. | Chemical |
Created by:
slmk56
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