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1st study guide-bio
First Semester Final 2019-2020
| independent variable | what i change |
| dependent variable | data changed |
| constant | stays the same throughout the whole experiment |
| control | the original/no alterations or changes |
| 3 purposes of scientific method | organizing information, gathering information, communicating information |
| two qualities of a valdi hypothesis | if it's testable, if it's an "if, then" statement |
| qualitative date | data gathered with five senses |
| quantitative date | numbered data |
| cell theory | all organisms are made of cells, the cell is the basic unit of life, all cells come from preexisting cells |
| all living things are made up of _______ | cells |
| three main parts of eukaryotic cell | cell membrane, cytoplasm, nucleus |
| ______ are vital to cells functioning correctly | organelles |
| plasma/cell membrane | protective outside layer (phospholipid bilayer)/controls what move in and out of cell |
| cytoplasm | containing the organelles/the liquid of goo inside the cell |
| endoplasmic reticulum (ER) | makes lipids and hormones (packages proteins;transportation) |
| golgi body | processes and ships proteins out of the cell |
| nucleus | control center/contains the DNA |
| nucleolus | inside, begins building ribosomes |
| mitochondira | provides energy by creating ATP (fuel)/powerhouse of the cell |
| ribosomes | makes proteins |
| lysosomes | digests large molecules to smaller pieces |
| centrioles | helps with animal cell division |
| chloroplasts | photosynthesis/contains chlorophyll (green pigment in plants) |
| vacules | stores water and nutrients |
| cell wall | provides support and structure to plants |
| eukaryotic cells have _____ in their nuclues | DNA |
| cells that have specific functions or jobs are known as ______ | specialized |
| unicellular | single celled |
| multicellular | many cells |
| prokaryotes | no nucleus, no membrane-bound organelles; very simple; bacteria |
| eukaryotes | membrane-bound organelles;complex;plants & animals & protists & fungi; humans |
| plant cell | cell wall, chloroplasts, large vacuole, lysosomes (uncommon), rigid or fixed shape |
| animal cell | centrioles, small or no vacuole, lysosomes (common), round irregular shape |
| bacteria cell | cell membrane, ribosomes, cytoplasm, DNA, cell wall, prokaryotic |
| animal cell | cell membrane, ribosomes, cytoplasm, mitochondria, nucleolus, nucleus, DNA, eukaryotic |
| plant cell | cell membrane, ribosomes, cytoplasm, mitochondria, nucleolus, nucleus, DNA, cell wall, eukaryotic |
Created by:
jgiles17651
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