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Cell Biology Quiz

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Questions and Answers

What is a characteristic of passive transport?

Requires metabolic energy

Net movement occurs from higher to lower concentration (correct)

Involves cytosis

Molecules move from lower to higher concentration

Peripheral proteins penetrate the whole thickness of the cell membrane.

False

What substances are primarily transported by facilitated diffusion?

Large size hydrophilic molecules like glucose and amino acids.

The _____ is formed of glycoprotein and glycolipids and plays a role in cell-cell recognition.

glycocalyx Signup and view all the answers

Match the type of transport with its characteristic:

Passive transport = Does not require energy Active transport = Requires energy for movement against the gradient Endocytosis = Process of engulfing substances into the cell Exocytosis = Process of expelling substances from the cell Signup and view all the answers

Which organelle is known as the powerhouse of the cell?

Mitochondria Signup and view all the answers

The Golgi apparatus is involved in the production of proteins.

False Signup and view all the answers

What is the primary function of the nucleus in a cell?

It controls the cell’s growth and reproduction and contains genetic material. Signup and view all the answers

The rough endoplasmic reticulum is primarily responsible for protein ______.

production Signup and view all the answers

Match the following organelles with their primary functions:

Nucleus = Transcription of RNA from DNA Lysosomes = Intracellular digestion Mitochondria = Energy production Golgi apparatus = Packaging and modification of proteins Signup and view all the answers