Multiple Choice
Which of the following organelles is primarily responsible for producing ATP through cellular respiration in eukaryotic cells?
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5. Cell Components
Introduction to Eukaryotic Organelles
Multiple Choice
Protein synthesis is accomplished primarily by the interaction of which two cell structures?
A
Ribosomes and endoplasmic reticulum
B
Mitochondria and lysosomes
C
Golgi apparatus and peroxisomes
D
Nucleus and chloroplasts
Verified step by step guidance1
Understand the process of protein synthesis: Protein synthesis involves transcription (DNA to mRNA) and translation (mRNA to protein). These processes require specific cellular structures to function effectively.
Identify the role of ribosomes: Ribosomes are the primary site of translation, where mRNA is read and amino acids are assembled into a polypeptide chain based on the genetic code.
Examine the role of the endoplasmic reticulum (ER): The rough endoplasmic reticulum (RER) is studded with ribosomes and plays a key role in synthesizing and folding proteins, especially those destined for secretion or membrane integration.
Eliminate incorrect options: Mitochondria and lysosomes are involved in energy production and waste breakdown, not protein synthesis. The Golgi apparatus and peroxisomes are involved in protein modification and lipid metabolism, respectively. The nucleus and chloroplasts are involved in genetic storage and photosynthesis, not protein synthesis.
Conclude that ribosomes and the rough endoplasmic reticulum are the correct answer, as they directly interact to accomplish protein synthesis.
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