Trna and an mrna - Study guides, Class notes & Summaries

BIO 1A03 McMaster University Test 2 Review Graded A+ Translation Cellular components are able to read the genetic message in mRNA and translate the message into specific primary amino acid sequence of a protein How does tRNA structure allow for SPECIFICTY in translation? 1. Plays critical role in ENABLING the translation of the information 2. Each type of tRNA molecule is not identical and can translate a specific codon into a specific amino acid What is the structure of tRNA? - single RNA str...

Biology LEAP 2025 Review Study Guide with Complete Solutions The steps in protein synthesis (5) 1. transcription; When a copy of one side of the DNA strand is made, which is mRNA. 2. translation; mRNA moves from the nucleus, to the cytoplasm and then the ribosome. mRNA directs the formation of a specific protein at a ribosome, where the code in the mRNA is converted into an amino acid sequence in a protein. 3. mRNA goes through ribosome 3 bases at a time. 4. tRNA matches with the ope...

Bio 93: Midterm Review | Test Questions and Answers| 2025/2026 What is the central dogma of molecular biology? The central dogma describes the flow of genetic information from DNA to RNA to protein. What is the primary role of RNA polymerase during transcription? RNA polymerase synthesizes a complementary RNA strand from a DNA template. What is the function of the promoter region in a gene? The promoter is a DNA sequence where RNA polymerase binds to initiate transcription. How...

DNA (deoxyribonucleic acid) An organisms genetic material found in the nucleus of a cell Double stranded helical nucleic acid molecule consisting of nucleotide monomers with deoxyribose sugar and nitrogenous bases (A, C, G, T) capable of replicating Which nucleotides/bases are used in DNA? A - Adenine C - Cystine G - Guanine T - Thymine RNA (ribonucleic acid) A nucleic acid consisting of nucleotide monomers with a ribose sugar and nitrogenous bases (A, C, G, U) Usually ...

Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian Edition Table of Contents Chapter 01: Concepts of Health and Disease ................................................................................................. 3 Chapter 02: Concepts of Altered Health in Children ................................................................................... 14 Chapter 03: Concepts of Altered Health in Older Adults .............................................................

Protein Synthesis Race Questions and Answers Already Passed What is the role of RNA polymerase in protein synthesis? RNA polymerase is responsible for transcribing DNA into mRNA during the process of transcription. How is protein synthesis affected if the ribosome malfunctions? If the ribosome malfunctions, protein synthesis can be halted or produce defective proteins, potentially disrupting cellular functions. What happens during the initiation phase of translation? During init...

Briefly explain how the base pairs A-T and C-G bond to each other and why the interactions they form are important to DNA unwinding. Base pairs form hydrogen bonds to each other. G and C form 3 hydrogen bonds, while A and T form 2 hydrogen bonds. These hydrogen bonds are weak electrostatic interactions that are able to hold the DNA together but are easily broken for the DNA to unwind. Why are telomerase inhibitors an attractive prospect for cancer therapies? >90% of cancer cells expres...

RNA nucleotide base pairings - Cytosine (C) pairs to Guanine (G) Adenine (A) pairs to Uracil (U) DNA Sructure - because of this complementary base pairing, the order of the bases in one strand determines the order of the bases in the other strand Griffith's Experiment - in the 1920's, Frederick Griffith worked with two strains of Streptococcus pneumoniae bacteria. It was discovered that DNA was transmitted between the toxic and the harmless bacteria. DNA - -deoxyribonucleic acid -store...

BIO1A03 - TEST 2 QUESTIONS AND ANSWERS RATED A what components are required for translation initiation/elongation/release factors mRNA aminoacyl tRNA synthases tRNA ribosome (ribosomal RNA + ribosomal subunit) what is the role of tRNA - transfer amino acids from the cytoplasm to a growing polypeptide strand in a ribosome - each tRNA molecule has a different shape and therefore translates a specific mRNA codon into a specific amino acid what is the structure of tRNA - made up of a single RNA st...

PUBH 6011 Practice Exam Questions and Answers Graded A+ What are the major functions of a cell? - Answer-Provide structure and support, facilitate growth through mitosis, allow passive and active transport, produce energy, create metabolic reactions, aid in reproduction What is a virus? - Answer-A tiny, nonliving, particle that enters and reproduces inside a living cell becoming an intracellular parasite -- need a host for survival, killed by antivirals/vaccines What is bacteria? - Answer...