The triplet code - Study guides, Class notes & Summaries

BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 (100% CORRECT) What is the first mRNA processing step? - ANSWER 5' capping Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER alternative splicing RNA transcription begins at a ________. - ANSWER promoter ________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail The process of pre-mRNA splicing removes ________. - ANSWER introns Spliced ________ differ in their exons. - ANSWER mRNAs Identif...

AQA A-level Biology - Topic 4 questions answers 100% guaranteed success. Define variation - correct answer. Differences that exist between individuals In what ways can variation be caused? - correct answer. It can be caused by genetic factors, such as alleles from mutations. It can also be caused by the environment, such as climate. Most variation is caused by a combination of genetic factors and environmental factors Why is it impossible to study a whole population? - correct a...

Transcription helix unzips by DNA polymerase Strands separate, acts as template Free RNA nucleotides attach to completmentary base Phosphate bonds form Pre-MRNA detaches Splicing=removes introns-non coding Translation Ribosome attaches to start condon TRNA with complementary anticodon pairs with mrna Trna releases amino acid forming a peptide bond then trna is released back to cytoplasm Peptide chain formed, release into the cell DNA, Chromosomes and Genes DNA: Nucleic acid that car...

BIO 111 FINAL EXAM QUESTIONS AND ANSWERS LATEST 2024/2025 | 100% CORRECT. What is the first mRNA processing step? - ANSWER 5' capping Different mRNAs are made from the same initial pre-mRNA by ________. - ANSWER alternative splicing RNA transcription begins at a ________. - ANSWER promoter ________ protect(s) the pre-mRNA molecule. - ANSWER the 3' poly-a tail The process of pre-mRNA splicing removes ________. - ANSWER introns Spliced ________ differ in their exons. - ANSWER mRNAs Identi...

BIO 150 FINAL EXAM REVIEW COMPLETE QUECorrelations between any two given variables may be due to causative effects. True or False? - ANSWER True Because randomized experimental studies are the gold standard of scientific research studies, ecologists only use this study design in their research. True or False? - ANSWER False A deoxyribose nucleotide comprises of __________________________________. - ANSWER a phosphate group, a 5-C deoxyribose sugar, a nitrogenous base Meiosis is the divi...

cystic fibrosis - Ans The nurse is caring for a patient with a genetic disease that is transmitted through autosomal recessive inheritance. Which is the most likely diagnoses for this patient? protect cells from injury - Ans Adaptive cellular mechanisms function to: brain - Ans If a patient has liquefactive necrosis, which organ should the nurse asses first? Huntington's disease - Ans The nurse in the genetics clinic is describing a genetic disease that leads to progressive dementia in the...

Genetics Exam 2 practice exam 107 Questions with Verified Answers In five Hfr strains, each of which was used to build a time-of-entry map, the genes entered the recipient cells as follows: Strain 1: S L A C T F Strain 2: N P F T C A Strain 3: T F P N U Y Strain 4: S H Y U N P Strain 5: U N P F T C Which of the following represents a correct compilation of these results? A) S L A C T F P N H C U B) N P F T S L A C H U T C) T C A L S P N U Y H D) U N P F T C A L S T F E) S L A C T F...

Module 2 Exam Practice 113 Questions with Verified Answers What does RNA Pol I transcribe? - CORRECT ANSWER rRNA What does RNA Pol II transcribe? - CORRECT ANSWER mRNA snRNA What does RNA Pol III transcribe? - CORRECT ANSWER tRNA rRNA snRNA What is wrong with this definition of a gene? "A gene consists of DNA sequences that encode a single polypeptide" - CORRECT ANSWER 1. Not all genes are DNA sequences (RNA viruses) 2. Not all RNA molecules encode for a single polypeptide L...

The nurse is caring for a patient with a genetic disease that is transmitted through autosomal recessive inheritance. Which is the most likely diagnosis? correct answers Cystic Fibrosis Adaptive cellular mechanisms function to: correct answers protect cells from injury If a patient liquefactive necrosis, which organ should the nurse asses first? correct answers Brain The nurse in the genetics clinic is describing a genetic disease that leads to progressive dementia in middle to late adu...

What is DNA? Where is it found? What is it responsible for? What are the 4 nitrogenous bases? 1. Deoxyribonucleic acid. 2. Cell nucleus and Mitochondria 3. The storage of genetic information 4. Purines (Adenine - Guanine), Pyrimidines (Cytosine - Thymine) *A-T* *C-G* (Base pairs) What are Genes? Where are Genes located? What are Genes made up of? 1. Small functional hereditary units 2. Specific site of a chromosome 3. DNA What do most Genes contain? 1. Genes contain the informat...