Homework Answers
Option 3.
Nucleotides.
Nucleotides are the building blocks of DNA.It is also building block for rna.
Nucleotide consists of one nitrogenous base whether it may be adenine,guanine, cytosine, or thymin.And one sugar molecule (5 carbon sugar) and one phosphoric acid.
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The building blocks (monomers) of DNA are: 1) amino acids O2) histones O 3) nucleotides O4)...
1- In addition to the DNA building blocks (nucleotides dATP, dCTP, dGTP, dTTP) the master mix...
1- In addition to the DNA building blocks (nucleotides dATP, dCTP, dGTP, dTTP) the master mix contain: A) Taq DNA polymerase B) Buffer C) Magnesium chloride D) Specific primers to amplify the BXPOO7 locus E) All of the above 2- PCR partially simulates ‘in vivo” A) RNA synthesis B) DNA transcription to RNA C) Protein synthesis D) DNA replication
DNA is formed by building blocks called __________. nucleotides nitrogenous bases polypeptides deoxyribose 0.5 points ...
DNA is formed by building blocks called __________. nucleotides nitrogenous bases polypeptides deoxyribose 0.5 points QUESTION 2 What does DNA stand for? Double-stranded Nucleic Acid Ribonucleic acid Deoxyribonucleic Acid Double-helix Nucleic Acid 0.5 points QUESTION 3 The nucleotides of DNA are held together by ___________. ionic bond hydrogen bond phosphodiester bond sugar-phosphate backbone 0.5 points QUESTION 4 DNA nucleotides with one-carbon nitrogen ring bases are called ________. adenines purines pyrimidines guanines 0.5 points QUESTION 5 Basic...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands...
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands Adds short pieces of RNA to help DNA polymerase start Removes RNA and replaces with DNA Fuses or "glues" fragments of DNA together Proofreads or edits the DNA, checking for mistakes Given the following, DNA Sequence, what is the new daughter strand? (Did you label the 5' and 3' ends?) What is the name of the "fragments" of DNA on the lagging strand after...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
ԿԱՆՉՈ» 2. Genes are made of DNA nucleotides. The gene for the beta chain of hemoglobin...
ԿԱՆՉՈ» 2. Genes are made of DNA nucleotides. The gene for the beta chain of hemoglobin is 1,734 nucleotides in length and is located on the human chromosome 11. The mutation responsible for sickle-cell anemia affects a single nucleotide, which in turn changes a single amino acid. (9 pt) a. How are these nucleotides joined together to form a long polynucleotide chain? Name the relevant nucleotide constituents important for making the linkage. (see Slides 5-7 of Lecture 4b) (2 pt)...
1. You have used a mutagen to induce mutations in a DNA sequence. If the original DNA...
1. You have used a mutagen to induce mutations in a DNA sequence. If the original DNA strand is 5'-ATGGGACTAGATACC-3', then which of the following represents a nonsense mutation? (1pt) 5'-ATGGGTCTAGATACC-3' 5'-ATGCGACTAGATACC-3' 5'-ATGTGACTAGATACC-3' 5'-ATGGGACTAAGATACC-3' 2. A mutation that changes a codon sequence, and subsequently changes the amino acid that should have been placed at that point in the polypeptide chain, is called a… (1pt) silent mutation frameshift mutation missense mutation nonsense mutation 3. Excision repair corrects DNA by (1pt) correcting A=T...
Match what is composed of what 1) RNA is composed of ____ 2) DNA 3) Proteins...
Match what is composed of what 1) RNA is composed of ____ 2) DNA 3) Proteins 4) Triacyglycerol 5)Glycogen 6)Fats 7)Protein 8)Starch a) lipids b) ribonucleotides c) amino acids d) deoxyribonucleotides e) glucose f) nucleotides g) glucose monomers h) protein
3. Which of these is/are true in DNA replication? 1. Helicase produces replications forks.
3. Which of these is/are true in DNA replication? 1. Helicase produces replications forks. 2. New histones are imported into the nucleus shortly after replication is complete. 3. DNA polymerase moves along a replication fork, making a new DNA molecules. 4. At the completion of replication, two molecules of DNA made from free nucleotides are formed. (A) 1 & 3 (B) 2 & 4 (C) 1, 2, 3, (D) 4 only; (E) all of the above _____ 24. Which of...
Below is the genomic DNA of gene X, a 3 exon gene that encodes a 131 amino acid single pass trans...
why is E the answer
Below is the genomic DNA of gene X, a 3 exon gene that encodes a 131 amino acid single pass transmembrane protein. Shown are the transcriptional start site, splice donor, acceptor and branch sites and translational start and stop codons. Transcriptional start EXON 1 INTRON 1 EXON 2 INTRON 2 EXON 3 Spfice Donor Splice Acceptor Polyadenylation signal Branch point 17. Treatment with ethidium bromide, an intercalating agent, caused DNA polymerase to add an extra...
DNA mutations that change DNA sequence occur during: 1) replication O2) transcription 3) translation 4) protein...
DNA mutations that change DNA sequence occur during: 1) replication O2) transcription 3) translation 4) protein synthesis A person has an adrenal tumor with increased secretion of aldosterone. They might develop secondary hypertension with an: 1) increase in potassium and blood volume O2) decrease in potassium and blood volume 3) increase in potassium and decrease in blood volume O4) decrease in potassium and increase in blood volume
Unwinds DNA strand to make replication fork. Adds free nucleotides to the growing daughter DNA strands Adds short pieces of RNA to help DNA polymerase start Removes RNA and replaces with DNA Fuses or "glues" fragments of DNA together Proofreads or edits the DNA, checking for mistakes Given the following, DNA Sequence, what is the new daughter strand? (Did you label the 5' and 3' ends?) What is the name of the "fragments" of DNA on the lagging strand after...
QUESTION 3 The codon S-AUG-3' on an mRNA encodes the amino acid methionine. What is the corresponding anticodon found on the methionine charged tRNA? 3-UAC-5 5-UAC-3 o 3-GUA-5 5'-ATG-3 QUESTION 4 Match each cause of DNA damage with the mechanism by which it can lead to mutations. Topoisomerase is unable to function properly, and when it makes A cuts in the DNA strands these are not always repaired. This leads to a loss of nucleotides and potential frameshift mutations. In...
ԿԱՆՉՈ» 2. Genes are made of DNA nucleotides. The gene for the beta chain of hemoglobin is 1,734 nucleotides in length and is located on the human chromosome 11. The mutation responsible for sickle-cell anemia affects a single nucleotide, which in turn changes a single amino acid. (9 pt) a. How are these nucleotides joined together to form a long polynucleotide chain? Name the relevant nucleotide constituents important for making the linkage. (see Slides 5-7 of Lecture 4b) (2 pt)...
why is E the answer
Below is the genomic DNA of gene X, a 3 exon gene that encodes a 131 amino acid single pass transmembrane protein. Shown are the transcriptional start site, splice donor, acceptor and branch sites and translational start and stop codons. Transcriptional start EXON 1 INTRON 1 EXON 2 INTRON 2 EXON 3 Spfice Donor Splice Acceptor Polyadenylation signal Branch point 17. Treatment with ethidium bromide, an intercalating agent, caused DNA polymerase to add an extra...
DNA mutations that change DNA sequence occur during: 1) replication O2) transcription 3) translation 4) protein synthesis A person has an adrenal tumor with increased secretion of aldosterone. They might develop secondary hypertension with an: 1) increase in potassium and blood volume O2) decrease in potassium and blood volume 3) increase in potassium and decrease in blood volume O4) decrease in potassium and increase in blood volume
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