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Human Systems
Final Exam Dr Laser
| Question | Answer |
|---|---|
| The Study of the natural world | Science |
| The study of living organisms and life's process | Biology |
| Regulating the internal environment despite changes in the external enviorment | Homeostasis |
| The way scientific knowledge is acquired | Scientific Method |
| Elements that combine to produce molecules of life | Proteins, Lipid, Nucleic Acid, and Carbohydrates |
| Hierarchial system from largest to smallest | Domain, Kingdom, Phylum, Class, Order, Family, Genius, Species |
| Three domains | Bacteria, Archaea, Eukarya |
| Domain(s) that are/is single celled, no nucleus (prokaryotic) | Bacteria and Archaea |
| Domain(s) that have/has nucleus | Eukarya |
| Four kingdoms of Eukarya | Protista, Animalia, Fungi, and Planate |
| Defining characteristics of humans | Bipedalism, Opposable thumbs, Large brains, and language |
| Biological level of organization from smallest to largest | Molecules and Atoms, Cells, Tissues, Organ, Organ system, Organism, Population, community, Ecosystem, Biosphere |
| What is the Scientific Method | 1.Observe, 2.Make a hypothesis, 3.Make a prediction, 4.Experiment, 5.Modify hypothesis if needed |
| Substance that speeds up a chemical reaction | catalyst |
| Electron sharing bonds between atoms | covalent bond |
| oppositely charged regions of a polar molecule that contain covalently bonded hydrogen | hydrogen bond |
| two oppositely charged ions come together | ionic bond |
| ions that have the same atomic mass but different atomic weight | isotope |
| stored energy that isn't preforming work | potential energy |
| liquid in which another substance dissolves | solvent |
| any dissolved substance | solute |
| the number of protons in an atom equal... | atomic number |
| the number of neutrons and protons equal... | atomic weight |
| the capacity to do work | energy |
| work in motion | kinetic energy |
| elements that mainly make up the human body | calcium, carbon, hydrogen, nitrogen, oxygen, phosphorous |
| hydrophillic molecules | molecules that love the water and are attracted to it |
| hydrophobic molecules | molecules that fear the water and are repelled by it |
| __________ donate hydrogen ions | acids |
| __________ accept hydrogen ions | bases |
| expresses the hydrogen-ion concentration | PH scale |
| __________ minimize the change in PH when either an acid or base is added | buffers |
| smaller molecules are joined by covalent bonds | dehydration synthesis |
| "simple sugars" | monosaccharides |
| more than one monosaccharide linked together | oligosaccharides |
| relatively insoluble molecules | lipids |
| DNA bases | Adenine, Guanine, Cytosine, Thymine |
| moves substances against the concentration gradient | active transport |
| moves material into the cell | endocytosis |
| moves material out of the cell | exocytosis |
| cells refining, packaging and shipping center | Golgi apparatus |
| net diffusion of water across a selectively permeable membrane | osmosis |
| composed of RNA, and attached to the ER | Ribosomes |
| lack a nucleus and organelles | prokaryotes |
| have a nucleus, cytoplasm and organelles | eukaryotes |
| ___________ transport requires no energy | passive |
| ____________ trasnport moves substances through the plasma against their concentration gradient | active |
| helps maintain cell's volume | sodium potassium pump |
| controls the cell and houses the DNA | nucleus |
| responsible for protein synthesis inside the cell | ribosomes |
| manufacturing center inside the cell | endoplasmic reticulum |
| involved in the synthesis of protein released into the ER inside the cell | rough ER |
| synthesizes packaging the proteins and lipids for delivery into the GA inside of the cell | smooth ER |
| membrane bound shipping containers inside of the cell | vesicles |
| provide energy for the cell | mitochondria |
| sources of energy inside of the cell | fat and glycogen |
| move materials along the surface | cilia |
| help move the actual cell | flagella |
Created by:
LauraMegan
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