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Ribosomes are sites for
রাইবোসোম (Ribosomes) হলো কোন প্রক্রিয়ার স্থান?
Practice MCQ for SSC, UPSC, RRB Exams
A. Protein synthesis
A. প্রোটিন সংশ্লেষণ
B. Photosynthesis
B. সালোকসংশ্লেষ
C. Fat synthesis
C. চর্বি সংশ্লেষণ
D. Respiration
D. শ্বসন
Correct Answer: A
সঠিক উত্তর: A
Explanation
ব্যাখ্যা
Ribosomes
are small, non-membrane-bound organelles found in both prokaryotic and eukaryotic cells.
The primary function of ribosomes is
protein synthesis
, which means they help in making proteins.
Ribosomes read the genetic information from
messenger RNA (mRNA)
and assemble
amino acids
into protein chains.
Proteins are essential for
growth, repair, and regulation
of cellular activities.
Photosynthesis
occurs in chloroplasts, not in ribosomes.
Fat synthesis
mainly occurs in the endoplasmic reticulum and cytoplasm.
Respiration
occurs in mitochondria, not in ribosomes.
Hence, ribosomes are the site of
protein synthesis
.
রাইবোসোম
হলো ছোট, ঝিল্লিবিহীন কোষীয় অঙ্গাণু, যা প্রোক্যারিওটিক ও ইউক্যারিওটিক উভয় কোষেই পাওয়া যায়।
রাইবোসোমের প্রধান কাজ হলো
প্রোটিন সংশ্লেষণ
, অর্থাৎ প্রোটিন তৈরি করা।
রাইবোসোম
মেসেঞ্জার আরএনএ (mRNA)
থেকে জিনগত তথ্য পড়ে
অ্যামিনো অ্যাসিড
যুক্ত করে প্রোটিন তৈরি করে।
প্রোটিন কোষের
বৃদ্ধি, মেরামত এবং নিয়ন্ত্রণমূলক কাজের জন্য অপরিহার্য
।
সালোকসংশ্লেষণ
ক্লোরোপ্লাস্টে হয়, রাইবোসোমে নয়।
চর্বি সংশ্লেষণ
প্রধানত এন্ডোপ্লাজমিক রেটিকুলামে হয়।
শ্বসন
মাইটোকন্ড্রিয়ায় হয়, রাইবোসোমে নয়।
অতএব, রাইবোসোম হলো
প্রোটিন সংশ্লেষণের স্থান
।
Related Questions
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