Free Ribosomes in Cell Biology

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Which organelle is often made of tubular structures?

Endoplasmic reticulum

What is the morphologically distinct organelle described as being made of tubular structures?

Endoplasmic reticulum

Which organelle, due to its tubular morphology, is involved in lipid metabolism and detoxification processes?

Smooth endoplasmic reticulum

What is the name of the organelle known for its interconnected tubular structures found in two types: rough and smooth?

<p>Endoplasmic reticulum</p> Signup and view all the answers

Which organelle, due to its tubular nature, is responsible for calcium storage and release within muscle cells?

<p>Endoplasmic reticulum</p> Signup and view all the answers

Which statement accurately describes the outer mitochondrial membrane?

<p>It is permeable to most small molecules</p> Signup and view all the answers

What is the role of the 70S ribosomes in mitochondria?

<p>Producing proteins within the mitochondria</p> Signup and view all the answers

What is the main function of the outer mitochondrial membrane?

<p>Regulation of molecule passage</p> Signup and view all the answers

Which component is responsible for oxidative phosphorylation in mitochondria?

<p>Inner mitochondrial membrane</p> Signup and view all the answers

What distinguishes the structure of mitochondria from other organelles?

<p>Presence of 70S ribosomes</p> Signup and view all the answers

What is the role of peroxisomes in plants?

<p>Required for photorespiration</p> Signup and view all the answers

Which organelle is emphasized as essential for photorespiration in plants?

<p>Peroxisomes</p> Signup and view all the answers

What is the significance of cytoskeleton in cells?

<p>Providing structural support</p> Signup and view all the answers

Which cellular function is NOT associated with peroxisomes?

<p>Photosynthesis</p> Signup and view all the answers

In which cellular process are peroxisomes essential due to their involvement in a specific metabolic pathway?

<p>Photorespiration</p> Signup and view all the answers

What is one of the main functions of the Golgi apparatus?

<p>Transporting and modifying proteins</p> Signup and view all the answers

What is the main function of free ribosomes?

<p>Produce structural and enzymatic proteins for the cell itself</p> Signup and view all the answers

Where are free ribosomes located?

<p>In the cytoplasm</p> Signup and view all the answers

Which process does the Golgi apparatus NOT perform on proteins?

<p>Deamination</p> Signup and view all the answers

Which cellular structure is responsible for producing structural proteins outside of the cell itself?

<p>Endoplasmic reticulum</p> Signup and view all the answers

If a cell lacks free ribosomes, what would be the most likely impact on the cell?

<p>Reduced production of internal cellular proteins</p> Signup and view all the answers

What distinguishes free ribosomes from bound ribosomes in terms of their location?

<p>Free ribosomes are found in the cytoplasm while bound ribosomes are found on the endoplasmic reticulum</p> Signup and view all the answers

Which of the following is NOT modified by the Golgi apparatus?

<p>Chlorophyll</p> Signup and view all the answers

What type of proteins are processed by the Golgi apparatus?

<p>Lysosomal proteins</p> Signup and view all the answers

In addition to proteins, what other cellular component is packaged by the Golgi apparatus?

<p>Lipids</p> Signup and view all the answers

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