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Biology Midterm Rev.
StudyGuide for my Biology Midterm for 1st Semester
| Question | Answer |
|---|---|
| the study of life | Biology |
| an educated guess | Hypothesis |
| most basic unit of matter | Atom |
| sub atomic particle with a charge | Protons |
| sub atomic particle with no charge | Neutrons |
| sub atomic particle with a - charge | Electrons |
| the number of protons | Atomic Number |
| the number of protons and electrons | Atomic Mass |
| the control center of the cell | Nucleus |
| an element with the same number of protons but a different number of electrons | Isotope |
| the basic unit of structure and function | Cell |
| a bond that shares electrons | Covalent Bond |
| a bond that transfers electrons | Ionic Bond |
| a cell without a nucleus | Prokaryotic |
| a cell that has a true nucleus | Eukaryotic |
| surrounds the cell | cell membrane |
| surrounds the nucleus | nuclear envelope |
| protection for the cell | cell wall |
| transports Lipids | Smooth ER |
| transports Proteins | Rough ER |
| responsible for protein production | Ribisomes |
| produces ribosomes | Nucleolus |
| What organelle does a eukaryotic cell have that a prokaryotic does not? | A Nucleus |
| What organelles are found in a plant cell but not in a animal cell? | Chloroplast, large central vacuole |
| measure of concentration of hydronium in solution | pH |
| pH below 7 | Acid |
| pH above 7 | Base |
| compounds that don't contain carbon | inorganic compound |
| energy source for metabolism | Carbohydrate |
| regulates pH, transports, and helps the immune system | Proteins |
| insulation, protection, and regulates hormones | Lipids |
| genetics | Nucleic Acids |
| Basic unit of structure and function come from pre-existing all living things are made of this | Cell Theory |
| developed the 1st microscope | Anton Van Leewenhoek |
| first to use the term cell | Robert Hooke |
| plants are made of cells | Schleiden |
| animals are made of cells | Schwann |
| cells come from pre-existing cells | virchow |
| explains observations & is supported by evidence | theory |
| happened different in an experiment | responding variable |
| changes in the experiment | mainpulated variable |
| creation of offspring by a single parent without sprem and egg | asexual reproduction |
| creation of offspring by fusion of sex cells | sexual reproduction |
| substance containing 2 or more elements | compounds |
| Wnat characteristics differ between a plant and animal cell? | Plant-green and has a cell wall. Animal-clear and have a cell membrane |
| substance dissolved in a solution | solute |
| dissolving agent (water is the most versatile) | solvent |
| something that isn't fully dissolved | suspension |
| steady state of body functioning | Homeostasis |
| group of cells | cell culture |
| reproduction of a cell | cell fractioning |
| transport across the cell membrane that does not require energy | Passive transport |
| movement from an area of high concentration to low concentration | diffusion |
| diffusion of water | osmosis |
| transport across the cell membrane that requires energy | Active transport |
| transportation out of the cell | exocytosis |
| transportation into the cell | endocytosis |
| formula for respiration | glucose + oxygen gas= carbon dioxide + water + energy |
Created by:
jennahamilton
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