Structure of TRNA and RRNA – DNA, RNA and the Genetic Code
Über den Vortrag
Der Vortrag „Structure of TRNA and RRNA – DNA, RNA and the Genetic Code“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Nucleotide Structure (Texas A&M FOM II 2020 Exam Unit 1)“.
Quiz zum Vortrag
What is true of tRNAs?
- They contain many chemically modified bases.
- They have a codon loop opposite of the part of the molecule where the amino acid is carried.
- They have an amino acid attached to the 5’ end.
- They carry ribosomes to the protein being made.
- Amino acids attach to thymine on the tRNA.
What is true of rRNAs?
- They have extensive secondary structures.
- They catalyze the formation of themselves.
- They code for protein using the genetic code.
- They are smaller than tRNAs
- Only the large subunit of the ribosome consists of rRNA.
Which of the following statements is NOT true regarding tRNA and rRNA?
- The anticodon present at the 5’ end of the acceptor end helps the tRNA to recognize and bind to the correct amino acid floating in the cytoplasm of the cell
- The tRNA is an adaptor molecule, which serves as a physical link between mRNA and the amino acid sequence of the protein.
- The large subunit rRNA present in the ribosomes is an example of a ribozyme that helps in the formation of peptide bonds during protein synthesis.
- Eukaryotes have four rRNA types.
- The amino acid gets attached to the base A of CCA tail present at the 3’ end of the tRNA at the acceptor stem.
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Dozent des Vortrages Structure of TRNA and RRNA – DNA, RNA and the Genetic Code
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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