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Anatomy ch 3 and 4

QuestionAnswer
Pyrimidines in DNA Cytosine and Thymine
Types of Vesicular Transport Exocytosis and Endocytosis
Types of Active Transport 1) Ion pumps 2) Secondary Active transport
types of active membrane processes 1) active transport 2) vesicular transport 3) trans-membrane potential
facilitated diffusion - carrier proteins are used as a mechanism - no energy required
diffusion movement of substances from a high to low concentration
selectively permeable allow only some substances through
permeable anything crosses, with ease
impermeable nothing passes through
membrane permeability effectiveness as a barrier
DNA shape double stranded helix
RNA shape varies, normally single stranded
DNA nucleotides over 45 million
RNA nucleotides 100-50,000
RNA pyrimidines Cytosine and Uracil
RNA purines Adenine and Guanine
DNA purines Adenine and Guanine
DNA sugar deoxyribose
RNA sugar ribose
RNA part of protein synthesis machinery
DNA carries genetic info needed to synthesis every protein in the body
Types of nucleic acids DNA and RNA
Potential can be changed Via.. changes in pressure, temp, and chemical environment in and out of the cell
transmembrane potential separation of positive and negative charges across a membrane
responsible for flow exocytosis and endocytosis
Phagocytosis solid incoming, cell eating
pinocytosis fluid incoming, cell drinking
ligand targets extracellular molecules
receptor-mediated endocytosis specific molecules are signaled to enter cell via presence of specific receptors at membrane surface
forms of endo cytosis receptor mediated endocytosis, pinocytosis, phagocytosis
Endocytosis movem
Created by: aleababe6275
 

 



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