The triplet code Study guides, Class notes & Summaries

Each organism has a unique combination of characteristics encoded in molecules of ____. correct answer: DNA What is the primary function of DNA? correct answer: store and transmit genetic information is transcribed and translated into proteins What is DNA polymerase's role in DNA replication? correct answer: adds new nucleotides to form a complementary stand of DNA What are the base pairing rules for DNA replication? correct answer: A <--> T C <--> G What are the fun...

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...

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 Identify the three phases of transcription. - ANSWER initiation, elongation, te...

Correlations 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 division of one cell into 2 identical daug...

Human Genetics Practice Ch 10-14 Exam 154 Questions with Verified Answers The process of copying a gene's DNA sequence into a sequence of RNA is called _____. A) replication B) transcription C) translation D) PCR - CORRECT ANSWER B) transcription RNA contains which nitrogen-containing bases? A) adenine, thymine, guanine, cytosine, uracil B) adenine, thymine, guanine, cytosine C) thymine, guanine, cytosine, uracil D) adenine, guanine, cytosine, uracil - CORRECT ANSWER D) ad...

How did evidence from the study of metabolic defects contribute to the fundamental relationship between genes and proteins? - ANSWER -Garrod suggested that genes dictate phenotypes through enzymes that catalyze specific chemical reactions -Symptoms of an inherited disease reflected inability to synthesize a certain enzyme. -Linking genes to enzymes required understanding that cells synthesize and degrade molecules in a series of steps called the metabolic pathway. Describe the experiment by...

Summer Human Anatomy Lecture Sample Test LSUE Vidrine a secondary structure of a polypeptide resembling an accordion is - pleated sheath a secondary structure of a polypeptide resembling a spiral is a - helix globular proteins have sites for attachment for specific molecules including - cofactors enzymes vitamins metals diamonds contain millions of carbon atoms bonded bt - covalent atomic hypothesis with electrons as particulate matter is the - planetary model atomic hy...

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 Answer Cystic Fibrosis Adaptive cellular mechanisms function to: Correct Answer protect cells from injury If a patient liquefactive necrosis, which organ should the nurse asses first? Correct Answer Brain The nurse in the genetics clinic is describing a genetic disease that leads to progressive dementia in middle to late adulth...

AQA A-level Biology - Topic 4 Already Rated A+ Define variation Differences that exist between individuals In what ways can variation be caused? mutations. It can be caused by genetic factors, such as alleles from 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? Because it is too large and would take too long. Instead, scient...

Pharmacology NURS 251 Final Exam Questions And Answers 2023 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. - ANS 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 - ANS CAU, GUA What is the relationship among genes, DNA, and prot...