NEET Exam > NEET Videos > Biology Class 11 > Nucleic Acids ( RNA & DNA )
Nucleic Acids ( RNA & DNA ) Video Lecture | Biology Class 11 - NEET
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FAQs on Nucleic Acids ( RNA & DNA ) Video Lecture - Biology Class 11 - NEET
| 1. What are nucleic acids and what is their role in the human body? |  |
Ans. Nucleic acids are biological macromolecules that include RNA (ribonucleic acid) and DNA (deoxyribonucleic acid). They play a crucial role in the human body as they carry genetic information and are involved in the synthesis of proteins.
| 2. What is the difference between RNA and DNA? | |
Ans. RNA and DNA are both nucleic acids, but they differ in their structure and function. DNA is a double-stranded helix, while RNA is usually single-stranded. DNA stores genetic information, while RNA plays a role in protein synthesis and gene expression.
| 3. How is DNA replicated? | |
Ans. DNA replication is a process in which a double-stranded DNA molecule is copied to produce two identical DNA molecules. It occurs during the cell division and involves the unwinding of the DNA double helix, separation of the strands, and synthesis of new complementary strands using DNA polymerase enzymes.
| 4. What is the central dogma of molecular biology? | |
Ans. The central dogma of molecular biology states that genetic information flows from DNA to RNA to proteins. This means that DNA is transcribed into RNA, which is then translated into proteins. It describes the fundamental process of gene expression and protein synthesis.
| 5. How does RNA differ from DNA in terms of function and structure? | |
Ans. RNA differs from DNA in terms of function and structure. Functionally, RNA is involved in various cellular processes, including protein synthesis, gene regulation, and catalysis of biochemical reactions. Structurally, RNA is usually single-stranded, while DNA is double-stranded. Additionally, RNA contains the sugar ribose, while DNA contains the sugar deoxyribose.
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Dec 18, 2024 Last updated |
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