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PCB 3023 Cell Biology Exam Questions & Verified Answers ( Update)

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Pass PCB 3023 Cell Biology Exam with 100% correct answers on prokaryotic vs eukaryotic cells, DNA replication, RNA types, and molecular machines.

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PCB 3023 CELL BIOLOGY EXAM
QUESTIONS AND VERIFIED ANSWER;
100% CORRECT; 2026- 2027 UPDATE



all cells transcribe
-m____
-t_____
-r_____ - correct answer- mRNA
tRNA
rRNA


cell that has eurobacteria and archaea ? - correct answer-
procaryotic


cell that is as old as "life"? - correct answer-
procaryote(prokaryotic)


cell that is single and multi-celled? - correct answer-
eukaryotic `

, cell that is very new to the scene - correct answer-
eucaryote(eukaryotic)


cells require large amounts of energy to maintain this _____
________ - correct answer- homeostatic disequilibrium


cells take up ____ and ___ from the surroundings
-combine these to make copies of themselves
-nothing less than a cell can do this - correct answer-
matter and energy


Cellular DNA is ______ stranded? - correct answer-
double


combination of proteins *defines* organisms
some examples are? - correct answer- protein catalysts
(enzymes)
machines and switches
structural proteins


conditions within cells are kept constant BUT ? - correct
answer- far from chemical equilibrium

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