MICROBIOLOGY DISEASES BODYSYSTEMS W/MAS
5th Edition
ISBN: 9781323651681
Author: BAUMAN
Publisher: PEARSON C
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Chapter 7, Problem 4MC
Summary Introduction
Introduction:
Histones are the protein components that are found in the nucleus of the cells. It helps in packing the DNA molecule in an order to fit into the nucleus to form the chromosome. The wrapping of DNA base pairs was done by the histone molecules.
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About how many nucleosomes could be made from a DNA strand consisting of 1000 B-helical turns?
A. 5
B. 50
C. 500
D. This is not enough DNA to make even one nucleosome.
The abbreviation dGp indicates:
A. 3', 5' deoxyguanylate.
B. 3' deoxyguanylate.
C. 5' deoxyguanylate.
D. 5', 3'deoxyguanylate.
Within the Central Dogma, what is the primary function of DNA?
a.
make proteins
b.
preserve nuclear integrity
c.
maintain the genetic information
d.
keep a boundary between RNA and Protein
What is DNA polymerase?
A. An enzyme that corrects mutations that arise during the replication of DNA
B. An enzyme that seals any gaps that remain between bases of replicating strands of DNA
C. Short, single strand of DNA that base-pairs with a specific DNA sequence
D. An enzyme that carries out DNA replication
Chapter 7 Solutions
MICROBIOLOGY DISEASES BODYSYSTEMS W/MAS
Ch. 7 - DNA replication requires a large amount of energy,...Ch. 7 - Vibrio vulnificus Infection Greg enjoyed Floridas...Ch. 7 - Prob. 2TMWCh. 7 - Prob. 3TMWCh. 7 - Why is the genetic ancestry of microbes much more...Ch. 7 - Prob. 1CCSCh. 7 - Which of the following is most likely the number...Ch. 7 - Which of the following is a true statement...Ch. 7 - A plasmid is ___________. a. a molecule of RNA...Ch. 7 - Prob. 4MC
Ch. 7 - Prob. 5MCCh. 7 - Which of the following molecules functions as a...Ch. 7 - Prob. 7MCCh. 7 - Prob. 8MCCh. 7 - The Ames test ___________. a. uses auxotrophs and...Ch. 7 - Which of the following methods of DNA repair...Ch. 7 - Prob. 11MCCh. 7 - Prob. 12MCCh. 7 - Which of the following statements is true? a....Ch. 7 - Prob. 14MCCh. 7 - Although two cells are totally unrelated, one cell...Ch. 7 - Prob. 16MCCh. 7 - Prob. 17MCCh. 7 - Prob. 18MCCh. 7 - Prob. 19MCCh. 7 - Prob. 20MCCh. 7 - Prob. 21MCCh. 7 - Prob. 22MCCh. 7 - Prob. 23MCCh. 7 - Before mutations can affect a population...Ch. 7 - Prob. 25MCCh. 7 - Fill in the Blanks 1. The three steps in RNA...Ch. 7 - Fill in the Blanks 2. A triplet of mRNA...Ch. 7 - Fill in the Blanks 3. Three effects of point...Ch. 7 - Fill in the Blanks 4. Insertions and deletions in...Ch. 7 - Fill in the Blanks 5. An operon consists of...Ch. 7 - Prob. 6FIBCh. 7 - Prob. 7FIBCh. 7 - Fill in the Blanks 8. A gene for antibiotic...Ch. 7 - Fill in the Blanks 9. ______ are nucleotide...Ch. 7 - Fill in the Blanks 10. ____________ is a...Ch. 7 - Fill in the Blanks 11.________ RNA carries amino...Ch. 7 - Fill in the Blanks 12. ______ RNA and ______ RNA...Ch. 7 - How does the genotype of a bacterium determine its...Ch. 7 - List several ways in which eukaryotic messenger...Ch. 7 - Compare and contrast intrans and exons.Ch. 7 - Polypeptide synthesis requires large amounts of...Ch. 7 - Describe the operon model of gene regulation.Ch. 7 - Prob. 6SACh. 7 - Prob. 7SACh. 7 - Describe the formation and function of mRNA, rRNA,...Ch. 7 - Prob. 9SACh. 7 - Explain the central dogma of genetics.Ch. 7 - Compare and contrast the processes of...Ch. 7 - Fill in the following table:Ch. 7 - On the figure below, label DNA polymerase I, DNA...Ch. 7 - Prob. 2VICh. 7 - The drugs ddC and AZT are used to treat AIDS....Ch. 7 - If molecules of mRNA have the following nucleotide...Ch. 7 - A scientist uses a molecule of DNA composed of...Ch. 7 - Explain why an insertion of three nucleotides is...Ch. 7 - How could scientists use siRNA to turn off a...Ch. 7 - Prob. 5CTCh. 7 - Prob. 6CTCh. 7 - Prob. 7CTCh. 7 - Prob. 8CTCh. 7 - Corynebacterium diphtheriae, the causative agent...Ch. 7 - Prob. 10CTCh. 7 - The endosymbiotic theory states that mitochondria...Ch. 7 - Hydrogen bonds between complementary nucleotides...Ch. 7 - On average, RNA polymerase makes one error for...Ch. 7 - We have seen that wobble makes the genetic code...Ch. 7 - If a scientist synthesizes a DNA molecule with the...Ch. 7 - What DNA nucleotide triplet codes for codon UGU?...Ch. 7 - Suppose you want to insert into your dog a gene...Ch. 7 - Using the following terms, fill in the following...
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- The form of DNA that contains genes that are actively beingtranscribed is calleda. histones.b. telomeres.c. heterochromatin.d. euchromatin.arrow_forwardDuring DNA replication, the helicase enzyme binds to DNA and Select one: a. prevents the DNA strands from rewinding back into the helical shape b. cuts the double stranded DNA into single strands c. provides the starting point where new nucleotides can be added d. adds new nucleotides to the template strandarrow_forwardWhich of the following would be most likely to cause a mutation? A. the addition of nucleotides to the 3’ end of the growing strand B. the insertion of a mismatched nucleotide into a DNA strand C. the unwinding of the DNA strand D. the synthesis of short stretches of DNAarrow_forward
- What are major functions that DNA polymerase performs? A. unzips the DNA strand and makes the new nucleotides B. proof reads the new DNA strands for errors and corrects them C. bonds the nucleotides together forming the new DNA strand D. A, B, and C E. A and B F. B and C G. A and Carrow_forwardApproximately what percentage of DNA is noncoding? a 98% b 2% c 50% d 25%arrow_forwardThe molecule DNA is important to biological systems because a. it can be replicated. b. it encodes the information for making a new individual. c. it forms a complex, double-helical structure. d. nucleotides form genes.arrow_forward
- The antiparallel nature of DNA refers to a. its charged phosphate groups. b. the pairing of bases on one strand with bases on the other strand. c. the formation of hydrogen bonds between bases from opposite strands. d. the opposite direction of the two strands of nucleotides.arrow_forwardWhat is the function of Ligase during DNA Replication a Releases tension on the DNA as it unwinds b Puts down RNA primers so replication can continue c Binds Okazaki Fragments into a continuous DNA strand d Binds to single stranded DNA to protect it from degradationarrow_forwardChoose the combination of answers that most accurately completes the statement.The function of ligase is to a. rejoin segments of DNA c. synthesize cDNA b. make longitudinal cuts in DNA d. break down ligamentsarrow_forward
- How is each new nucleotide added to the growing end of a DNA strand? a. A dehydration reaction joins the monomer to the new strand b. By using DNA polymerase c. Both of the above d. A hydrolytic reaction joins the monomer to the new strandarrow_forwardChoose the combination of answers that most accurately completes the statement. Which of the following is present in prokaryotes but not eukaryotes? a. exons b. polyribosomes c. spliceosomes d. simultaneous transcription and translationarrow_forwardThe “rungs” of the DNA double helix are held together by a. ionic bonds.b. hydrogen bonds.c. covalent bonds.d. the force of the backbones on the outside of the helix pushing them together.arrow_forward
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