Question

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which of the following sequences correctly lists in order the steps involved in the incorporation of a proteinaceous molecule within a cell?
o synthesis of the protein on the lysosome; packaging in the vesicle; distribution via the golgi; tagging in the endoplasmic reticulum
synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the golgi; distribution via the vesicle
synthesis of the protein on the lysosome; tagging in the golgi; packaging in the vesicle; distribution in the endoplasmic reticulum
protein synthesis of the protein on the ribosome; modification in the golgi apparatus; packaging in the endoplasmic reticulum; tagging in the vesicle
question 14
0.5 pts
congenital disorders of glycosylation are a growing class of rare diseases. which organelle would be most commonly involved in the glycoprotein disorder portion of the group?
o ribosomes
o vacuoles
o endosomes
o rer
o golgi apparatus
question 15
0.5 pts
which of the following have the ability to disassemble and reform quickly?
o intermediate filaments and microtubules
o microfilaments and intermediate filaments
o microfilaments and microtubules
o only intermediate filaments
o microfilaments and flagella

Explanation:

1. For the first question, protein synthesis starts on ribosomes, then is modified in the endoplasmic reticulum, tagged in the Golgi, packaged in vesicles and distributed.
2. For the second question, the Golgi apparatus is involved in glycosylation of glycoproteins, so defects here can lead to glycosylation - related disorders.
3. For the third question, microfilaments and microtubules can disassemble and reform quickly, which is important for cell - shape changes and movement.

Answer:

• First question: synthesis of the protein on the ribosome; modification in the endoplasmic reticulum; tagging in the Golgi; packaging in the vesicle; distribution via the vesicle
• Second question: Golgi apparatus
• Third question: microfilaments and microtubules