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biology cell test

Q/A

QuestionAnswer
What are the levels or organizations from simplest to most complex? Cell Tissues Organs Organ systems Organisms
What are the steps to the scientific method? Ask,Gather,Form hypothesis,experiment, analyze and conclusion
What two parts of the microscope must be used to calculate the total magnification of a microscope? The eyepiece and objective lens
What is the difference between diffusion and osmosis? Diffusion the molecules move from high to low
what is the difference between active and passive transport? Active requires energy and passive does not
What are examples of active transport? exocytosis, endocytosis, pinocytosis, phagocytosis
What are examples of passive transport? Osmosis, diffusion, facilitated diffusion
Describe endocytosis, exocytosis and pinocytosis. Endocytosis is a process of in which a substance gains entry into a cell without passing through the cell membrane.
What are parts of the cell theory? Cells are the smallest units of life All living organisms are made up of cells All cells come from preexisting cells.
What did Schleiden and Schwann contribute to the cell theory? Schleiden contributed that things are made of cells. Schwann recognized the cell as the basic unit of animal structure.
What are safety goggles used for? To protect your eyes.
What structures are present in the plant cell and not in the animal cell? Chloroplast and the cell wall
What is the difference between a prokaryote and a eurkaryote? Eukaryotes cell contain membrane-bound organelles, such as the nucleus, while prokaryotic cell do not.
What units would be used to measure mass? Grams
What units would be used to measure distance? Meters
What should you do when you are finished working with chemicals, biological specimens and other lab substances? Wash your hands and clean your table
Who was the first person to identify and see cells? Robert Hooke
What is the difference between a independent and a dependent variable and be able to identify them in a hypothesis. The independent variable is the part of the hypothesis you can change.
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