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Biology Chapter 8

QuestionAnswer
All cells are made from existing cells cell theory
Which group of cells has their DNA in the nucleus? eukaryotes
Which type of microscope can produce 3 dimensional images? SEM-scanning electron microscope
Which scientist used a light microscope to observe cells in a slice of cork? Robert Hooke
What is the benefit of using an electron microscope? Produces highly magnified images
Cells are the basic units of structure and function in living things cell theory
images are flat and 2 dimensional TEM- transmission Electron Microscopes
Do no have a nuclei prokaryotes
An organelle that contains enzymes to break down lipids, carbs, and proteins lysosomes
organelle that is present in both plants and animals mitochondria
Contains the genetic material, DNA and codes for making proteins Nucleus
Small particles of RNA. Produce proteins in both eukaryotic and prokaryotic cells Ribosomes
Assembles proteins Endoplasmic Reticulum
Allows the cell to produce and distribute proteins in eukaryotic cells Golgi Apparatus
Stores and transports water salts proteins and carbs. Allows plants to support heavy structures like leaves and flowers Vacuoles
Supports the shape of the cell Cytoskeleton
Captures energy from sunlight and converts it into energy for plants chloroplasts
aids in cell shape. Only in plants Cell Wall
Composed of lipid molecules. Controls what enters and leaves the cell Cell membrane
solute particles move from an area of high concentration to an area of low concentration. Diffusion
Equal concentrations of water and solutes Isotonic
Energy is required to move particles from an area of low concentration to an area of high concentration Active Transport
The cell will shrivel hypertonic
the cell will swell hypotonic
does not require cellular energy Passive Transport
Contain chloroplasts and produce their own food. Wastes leave through diffusion. Absorb minerals through photosynthesis Chlamydomonas
What is an organ of a plant? Leaf
Cell actively brings in materials from outside the cell to form a vesicle around it Endocytosis
Cell eating Phagocyte
Cell moves materials out of the cell through a vesicle Exocytosis
Movement of water across the cell membrane Osmosis
Part of the circulatory system; muscle cells around the heart Cardiomyocytes
All living things are made of cells Cell theory
water channel protein in a cell membrane aquaporins
Group of similar cells that perform a particular function tissue
group of tissues that work together to perform closely related functions organ
group of organs that work together to perform a specific function organ system
a specific protein that receives chemical signals from molecular messengers such as hormones receptor
Created by: user-1708959
 

 



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