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PCAT Word List # PCAT/W32

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  Word Descriptions erythromycin, cyclic AMP, glucose, messenger RNA, necrotic, multiply, substrate, microfilaments, discrete, internal


   
Description of erythromycin (noun: plural: erythromycins)
generic name for an antibiotic that is obtained from the actinomycete Streptomyces erythreus; brand names: Erythrocin, Ethril or Ilosone

Samples of erythromycin
It is noteworthy that some apparently harmless drugs can, under the appropriate circumstances (eg, the combination of terfenadine and erythromycin), create life-threatening ventricular arrhythmias, and physicians can unwittingly expose their patients to risk.



   
Description of cyclic AMP (noun: plural: cyclic AMPs)
second messenger molecule where the phosphate group is part of a ring-shaped structure

Samples of cyclic AMP
Cyclic AMP is a form of adenine monophosphate.
The potent inhibitory action of prostacyclin on platelet aggregation correlates with its ability to stimulate the platelet adenylate cyclase system, thus increasing cyclic AMP levels within the cell.



   
Description of glucose (noun: no plural)
a monosaccharide (sugar) with 6 carbons

Samples of glucose
Glucose is produced during photosynthesis.



   
Description of messenger RNA (noun: plural: messenger RNAs)
copies of the gene parts that code for different proteins

Samples of messenger RNA
The messenger RNA molecules attach to ribosomes to allow protein synthesis to occur.



   
Description of necrotic (adjective)
dead

Samples of necrotic
If the blood supply to a limb is cut off the tissue becomes necrotic and gangrene can set in.



   
Description of multiply (verb: multiplied; multiplied; multiplying)
to increase in quantity

Samples of multiply
Microorganisms multiply rapidly under certain conditions.



   
Description of substrate (noun: plural: substrates)
the material on which an enzyme works

Samples of substrate
The substrate fits the active site of the enzyme.
Fermentation is regulated by the amount of substrate available and its chemical composition, the substrate specificities and perferences of the bacterial species present and the metabolic pathways through which they metabolise the substrate.



   
Description of microfilaments (noun: only plural)
fibers located throughout the cytoplasm of a cell

Samples of microfilaments
Microfilaments are involved in muscle contraction in which they are moved by actin and myosin.



   
Description of discrete (adjective: more discrete; most discrete; the most discrete)
separate; not joined

Samples of discrete
A discrete object is one that is detached from the others.



   
Description of internal (adjective: more internal; most internal; less internal; least internal)
inside

Samples of internal
An internal examination may be needed to check a woman's reproductive system.



  Determinations of the words erythromycin, cyclic AMP, glucose, messenger RNA, necrotic, multiply, substrate, microfilaments, discrete, internal

  Preparation book: Cyclic Amp Assays and Their Clinical Application

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     PCAT verbal word list: Vocabulary Sentences: Example of Nouns Adjectives Verbs         PCAT prep test: Word games free: Online Noun Adjective Verb Game         PCAT Verbal Quiz: (printable version)         Definition of erythromycin, cyclic AMP, glucose, messenger RNA, necrotic, multiply, substrate