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Questions and Answers

Which term describes organelles that are enclosed within their own lipid bilayers?

Prokaryotic organelles

Membrane-bound organelles (correct)

Eukaryotic organelles

Non-membrane bound organelles

What is the function of organelles?

To maintain the shape of the cell

To protect the cell from harmful substances

To produce energy for the cell

To carry out specific tasks within a cell (correct)

Which structures are often referred to as organelles even though they extend outside of cells?

Mitochondria and plastids

Nuclear envelope, endoplasmic reticulum, and Golgi apparatus

Cilia, flagellum, and archaellum (correct)

Prokaryotic flagellum and pilus

Which term did German zoologist Karl August Möbius use to refer to cellular structures as little organs?

Organella Signup and view all the answers

What is the main structure of proteinaceous organelles made of?

Proteins Signup and view all the answers

Which term is commonly used to refer to non-membrane bound organelles?

Large biomolecular complexes Signup and view all the answers

Which two broad classes of organelles contain their own DNA and have originated from endosymbiotic bacteria?

Mitochondria and plastids Signup and view all the answers

Which of the following is NOT an example of compartmentalization in prokaryotes?

Thylakoid membranes Signup and view all the answers

What were the mesosomes initially believed to be?

Cell membrane folds Signup and view all the answers

Which bacterial phylum has been found to have compartmentalization features?

Planctomycetota Signup and view all the answers

What is the function of carboxysomes in prokaryotes?

Enclosing subcellular compartments Signup and view all the answers