Nonsense mutation - Study guides, Class notes & Summaries

PCOL 838 EXAM 1 Questions And Answers Well Illustrated. What are the purines and pyrimidines? - correct answer. purines: adenine, guanine pyrimidines: cytosine, uracil, thymine What are some examples of the cause of mutations in DNA? - correct answer. cellular metabolism, UV light exposure, ionizing radiation, chemical exposure, replication errors What happens when the DNA is damaged/a mutation occurs? - correct answer. cell cycle checkpoint activation, transcriptional p...

A point mutation that changes a codon specifying an amino acid into a stop codon is called a frameshift mutation. nonsense mutation. missense mutation. deletion mutation. - nonsense mutation The triplet code of CAT in DNA is represented as ______ in mRNA and ______ in tRNA, respectively. Correct! CAU, GUA CAU, GTA CAT, CAT CAT, GAA - CAU, GUA What is the relationship among genes, DNA, and proteins? Proteins are the nitrogenous bases that form double strands of DNA in its helical sh...

WGU 785 Final Exam Latest 2024 With Complete Solution Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? - Answer ️️ -His daughters would be carriers. This is x-link recessive. Autosomal: Dominant: - Answer ️️ -Autosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) - Answer ️️ -The process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DN...

What are the three things a USMLE question about genetics will ask you to do using a pedigree? (Ans- Recognize a mode of inheritance Predict the recurrence risk of a disease, say in an unborn child Identify an OBLIGATE carrier for disease How do you determine the probability of an unborn child being affected by an AR trait when you know the father is a carrier and the mother has probability X of being a carrier? (Ans- Multiply the odds of the baby being affected IF the mother was a carr...

MCAT - Bio/Biochem Exam Practice Questions and Answers Graded A defunct mRNA translation in bacteria would... - Correct Answer ️️ -prevent cells from replicating. lysogenic cycle - Correct Answer ️️ -a viral reproductive cycle in which the viral DNA is added to the host cell's DNA and is copied along with the host cell's DNA Lytic phase or lytic cycle - Correct Answer ️️ -phage replicates immediately, destroying the host cell (All phages carry out this life cycle) protein p...

nucleic acids correct answers genetical material of cells and viruses mutations correct answers a change in structure of nucleic acid missense mutation correct answers A base-pair substitution that results in a codon that codes for a different amino acid. nonsense mutation correct answers A mutation that changes an amino acid codon to one of the three stop codons, resulting in a shorter and usually nonfunctional protein. silent mutation correct answers A mutation that changes a singl...

USLME - Biochemistry (General Questions) Exam Questions With Accurate Answers. Histones are rich in what AAs? - answerLysine and arginine (both + charge) When does histone synthesis occur? - answerS phase (along with DNA getting synthesized) Heterochromatin is _________, euchromatin is _________ - answerInactive/condensed; active/accessible What allows mismatch repair enzymes to distinguish between old and new DNA strands in prokaryotes? - answerMethylation; old/template strands are meth...

Chapter 1 correct answers Fundamentals of DNA, Chromosomes, and Cells Structure and Function of Nucleic Acids correct answers Objectives: Fluently use appropriate vocabulary to describe the structure of nucleic acids Diagram and describe the structure of DNA & RNA molecules found in nature Articulate the organization of DNA in chromosomes Describe the role of the cell cycle and DNA replication in maintaining genomic stability Nucleic acids correct answers genetic material of cel...

Hemophilia Pedigree - Father has hemophilia, mother does not. What is the outcome for their kids? - correct answer His daughters would be carriers. This is x-link recessive. Autosomal: Dominant: - correct answer Autosomal: males and females equally affected. Dominant: non-carrier parents polymerase chain reaction (PCR) - correct answer The process of copying DNA in the lab. Uses Template DNA, Nucleotides (dNTPS), DNA Polymerase, and DNA primers. 3 Steps of PCR - correct answer 1. Den...

WGU Biochemistry OA (Latest 2022/2023) Verified Answers Bohr Effect chart (low pH) C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Primary structure Sequence of amino acids that make up a protein Secondary Structure Sequence of amino acids fold. Tertiary Structure -more folding in a 3D shape. -R groups (side chains) Quaternary Structure Protein has more than 1 polypeptide chain. Chemical reaction -absorb and release en...