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Molecular Biology Exam questions and answers graded A+

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Molecular Biology Exam questions and answers graded A+

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Molecular Biology Exam questions
and answers graded A+
Cells are - ANS✅✅Basic unit of life

Eukaryotes - ANS✅✅Cells that enclose their DNA in nuclei

Prokaryote - ANS✅✅unicellular organism that lacks a nucleus

Cells can vary in - ANS✅✅shape, Function and size

Cells can move because of - ANS✅✅Cilia, Flagella

What 3 things do all cells have in common? - ANS✅✅plasma membrane, cytoplasm, Central
dogma

plasma membrane - ANS✅✅A selectively-permeable phospholipid bilayer forming the boundary of
the cells

Cytoplasm - ANS✅✅A jellylike fluid inside the cell in which the organelles are suspended

Central Dogma - ANS✅✅DNA -> RNA -> Protein

Genes - ANS✅✅DNA segments that serve as the key functional units in hereditary transmission.

Robert Hooke - ANS✅✅first to observe "small chambers" in cork and call them cells.

microscope - ANS✅✅An instrument that makes small objects look larger

True or False: There are 3 domains of life - ANS✅✅True

, What is the definition of a cell? - ANS✅✅Membrane-enclosed unit filled with aqueous solution
that can replicate on its own

What is common to All cells? - ANS✅✅Central Dogma of Molecular Biology

Prokaryotic cells are - ANS✅✅the simplest type of cells

Prokaryotes are mostly - ANS✅✅bacteria

Prokaryotes are very - ANS✅✅abundant and diverse

Prokaryotic cells dominated the earth prior to the atmosphere becoming rich in oxygen? -
ANS✅✅True

Cyanobacteria - ANS✅✅Bacteria that can carry out photosynthesis

Prokaryotes are divided into two separate domains - ANS✅✅Eubacteria and Archaea

Archaea - ANS✅✅Domain of unicellular prokaryotes that have cell walls that do not contain
peptidoglycan

What evolved the metabolic use of oxygen? - ANS✅✅prokaryotes

Aerobic - ANS✅✅Process that requires oxygen

Anaerobic - ANS✅✅Process that does not require oxygen

The Endosymbiotic Theory - ANS✅✅theory that eukaryotic cells formed from a symbiosis among
several different prokaryotic organisms

genome fusion - ANS✅✅fusion of two prokaryotic genomes, presumably by endosymbiosis

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Molecular Biology Exam questions and answers graded A+

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