Chapter 3 - Cells Word Scramble
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Question | Answer |
___ is the most abundant protein of the body | collagen |
water follows ___ | solute |
chemical messengers come in the form of __ or ___ | proteins, fats |
solute + solvent = | solution |
crenation | when cell shrinks |
hydrolysis | when cell bursts |
isotomic | same concentration of solute in & out of cell |
hypertonic | excessive solute outside of solution |
hypotonic | excessive solute inside of solution |
DNA | double stranded nucleic acid that comes up with hereditary info |
mRNA | carries transcript of code to cytoplasm |
rRNA | forms ribosomes |
tRNA | moves amino acids to ribosomes then decodes mRNA msg for amino acid sequence |
Uracil exists only in ___ | RNA |
transcription | transfers information from DNA sequence to complementary sequence |
translation | nucleic acids are translated to proteins |
2 major steps of protein synthesis are: | transcription & translation |
gap junctions | helps pass things through more easily |
tight junctions | helps prevent molecules from passing through |
desmosones | holds skin cells together |
passive transport | things cross the membrane w/o energy |
active transport | cell provides energy to move things across membrane |
osmosis | movement of WATER from high to low concentration |
diffusion | movement of particles from high to low concentration |
selectively permeability | membranes that allows some material to pass through, not others |
a human cell has 3 main parts: | cytoplasm, plasma membrane, nucleus |
endocytosis | cell enters |
exocytosis | cell exits |
aquaporins allow: | diffusion of water molecules |
facilitated diffusion | movement is controlled by a protein, increases rate of diffusion |
hydrophobic | water fearing - nonpolar |
hydrophilic | water loving - polar |
polar heads are attracted to: | water |
nonpolar tails are attached to: | the membrane |
Created by:
Mariahj25
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