6. In RNA, why can uracil be used in place of thymine? * O The structural difference between thymine and uracil does not affect hydrogen bonding to adenine O Thymine and uracil are actually identical bases, but they're named differently because one is in DNA and the other is in RNA O Uracil forms two hydrogen bonds with adenine, but using different atoms than thymine Uracil can interact with adenine via three hydrogen bonds 7. At least how many different types of RNA are there in eukaryotic cells? * O t:just messenger RNA O2: messenger RNA and ribosomal RNA 3: messenger RNA, ribosomal RNA, and transfer RNA O 6: the three listed above in C, plus microRNA, small interfering RNA, and small nuclear RNA 1

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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6. In RNA, why can uracil be used in place of thymine? *
The structural difference between thymine and uracil does not affect hydrogen
bonding to adenine
Thymine and uracil are actually identical bases, but they're named differently
because one is in DNA and the other is in RNA
Uracil forms two hydrogen bonds with adenine, but using different atoms than
thymine
O Uracil can interact with adenine via three hydrogen bonds
7. At least how many different types of RNA are there in eukaryotic cells? *
1: just messenger RNA
2: messenger RNA and ribosomal RNA
3: messenger RNA, ribosomal RNA, and transfer RNA
6: the three listed above in C, plus microRNA, small interfering RNA, and small
nuclear RNA
1
Transcribed Image Text:6. In RNA, why can uracil be used in place of thymine? * The structural difference between thymine and uracil does not affect hydrogen bonding to adenine Thymine and uracil are actually identical bases, but they're named differently because one is in DNA and the other is in RNA Uracil forms two hydrogen bonds with adenine, but using different atoms than thymine O Uracil can interact with adenine via three hydrogen bonds 7. At least how many different types of RNA are there in eukaryotic cells? * 1: just messenger RNA 2: messenger RNA and ribosomal RNA 3: messenger RNA, ribosomal RNA, and transfer RNA 6: the three listed above in C, plus microRNA, small interfering RNA, and small nuclear RNA 1
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