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Exam 1

Scientific method, classification, cell theory, cell structure and functions

TermDefinition
electron smallest sub-atomic particle
observation, hypothesis, experiment, conclusion steps of scientific method
ecosystem the populations of living things, as well as the physical environment, in a given area
lysosome the "garbage man" of the cell
orgnelles small structures within cells that serve various functions
phospholipids, proteins, cholesterol The cell membrane is composed of...
hypothesis a trial solution to a problem that can be accepted or rejected after testing
homeostasis a stable state desired by an organism to maintain functions
technology practical application of knowledge
biosphere zone on Earth where living things are found
theory concept supported by evidence gathered from many experiments
data results and conclusions reported by research
biodiversity the number of different species present
variable a condition that may affect the outcome of an experiment
stimulus a change in an organism's surroundings
adaptation developing characteristics to help survive a changing environment
metabolism all the chemical reactions within a cell
control used for comparison in an experiment
endocytosis plasma membrane envelopes and absorbs a substance
chromosomes thread-like structures found in the nucleus that contain DNA
cilia hair-like structures used to move things within organs
phospholipids make up the inner and outer layers of the plasma membrane
flagellum whip-like structure used for movement
mitochondria the "powerhouse" of the cell
mitosis cell division used for growth and repair
enzyme facilitate chemical reactions
ribosomes organelles that produce proteins and are found in the endoplasmic reticulum
scanning electron microscope can be used to observe specimens in 3D
glycolysis, fermentation, citric acid cycle three methods by which glucose is broken down
osmosis, active transport, facilitated transport three methods by which materials cross the plasma membrane
It has it's own DNA. The biggest clue that the mitochondrion was once a prokaryotic organism
Created by: MaddieJ
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