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18 Cards in this Set
- Front
- Back
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What is homeostasis |
Homeostasis refers to the ability of the body or a cell to maintain stability |
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What is a biosphere |
The region of the surface of a planet called the crust that includes the atmosphere and hydrosphere where living organisms inhabit. |
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What steps are taken in scientific method |
Observation,questions,hypothesis,prediction, experiment, results and conclusion |
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What is an atom? |
The basic Unit of a cell or chemical element |
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What is atomic mass number |
The total number of neutrons and protons in the atomic nucleus |
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What is inside an atomic nucleus |
Protons , neutrons and electrons |
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What is a covalent compound |
When 2 or more atoms share electrons |
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What is a ionic compound |
And ionic bond that Holds Ions together |
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What is a Base |
A base is a compound or substance composed of a ph greater than 7 |
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What is DNA |
Dna is Dioxyribonucleicacid DNA codes messages for mitosis and meiosis |
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What are disaccharides |
Any class of sugars whose molecules contain 2 monosaccharides |
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What is a lipid and its function in the human body |
A lipid is a fat and its function in a human body is to store energy |
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What is population? |
Population is a group of same type of organisms living in the same area |
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What is tissue |
a group of same cells that performs different functions |
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Which of the following correctly list levels of organization in decreasing order of complexity? |
Chemical cellular tissue organ organ system organism |
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What are isotopes |
Atoms of an element that have different number of neutrons |
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Which is the following is true about the molecule? |
All the above |
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Where do animals store carbs? |
Glycogen |
