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What is the basic structural and function unit of life
Cell
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member of the same Species that live in the same place and time?
Community
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What organelle contains DNA?
Nucleus
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Function of a protozoan's contractile vacuole
Water Balance
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Concentration Differences
Concentration gradient
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Plasma membrane is where to the cell wall
inside
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Hypertonic solution
more solutes, less water
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movement of solutes from high to low concentration is what?
diffusion
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Tissue Example
leaf tissue
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Organ example
eleoda leaf
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Organism example
Eleoda plant
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Organisms
Living things both large and small
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Tissue
different cell types joined together
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Organs
created by tissues and other things
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Organ systems
Organs working together
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Population
members of the same species that live in a particular place and time.
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Ecosystem
describes a community (all populations) and nonliving portions (water, light, temperature)
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Biosphere
includes all the ecosystems on earth
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Multicellular
several cells
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DNA in Prokaryotic cells
located in the cytoplasm , prokaryotic cells do not contain organelles thus no nucleus.
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Capsule
material surrounding the cell wall of prokaryotic cells
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Chloroplast
organelle that contains pigment to capture light energy for photosynthesis. Found in plants and algae
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Chromosome
DNA, humans have 23 pairs
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Cilia
small hair like filaments extending from cells, use to propel the cell or move materials around the cell
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Cytoplasm
includes al the cell's contents inside the plasma membrane except the nucleus
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Cytoskeleton
Protein strands that help maintain the cell structure. move materials around in cell
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Flagella
long filaments from the cell to propel it
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Mitochondria
Energy production
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Nuclear membrane
boundary around the nucleus
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nucleolus
within the nucleus where ribsome compnents are formed
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Nucleus
DNA molecules, direct cell activities
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plasma membrane
forms living boundary of all cells.
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ribosome
protein sythesis
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Vacuole
take up most of the cells volume
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annual/ growth rings
rings on the tree trunk showing how many years of life
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xylem
woody tissue that make up the rings
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hypotonic
less solutes, more water
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hypertonic
more solutes, less water
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isotonic
same water concentration inside and outside the cell
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Brownian Movement
Indirect indicator of molecular movement, the molecular collisions.
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Turgor pressure
internal water pressure, that presses the vacuole against the plasma membrane and the membrane against the cell wall.
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Plasmolyzed
plasma membrane pulled away from cell wall
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polysaccharides
many sugars
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homeostasis
conditions allow enzymes to function properly
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Catalyst activity
causes breakdown of hydrogen peroxide to water and oxygen gas. oxygen gas causes gas bubbles
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