Question 33 (Mandatory) According to current ideas about the DNA genetic code, which one of the following statements is false? a) The code is redundant b) Every possible triplet codes for some amino acid c) The code is read in a regular sequence, beginning at one end d) The codon is three nucleotides long Question 34 (Mandatory) The region of a neuron in which the nucleus is found is best described as the: a) cell body b) dendrite c) axon d) interneural area

Question 33 (Mandatory) According to current ideas about the DNA genetic code, which one of the following statements is false? a) The code is redundant b) Every possible triplet codes for some amino acid c) The code is read in a regular sequence, beginning at one end d) The codon is three nucleotides long Question 34 (Mandatory) The region of a neuron in which the nucleus is found is best described as the: a) cell body b) dendrite c) axon d) interneural area

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Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter3: The Cellular Level Of Organization

Section: Chapter Questions

Problem 36CTQ: Why is it important that DNA replication take place before cell division? What would happen if cell...

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DNA GAAGGGACAATACTTTCTTAACACTTG MRNA Amino Acid Sequence 1. Which kind of protein molecule did this gene make? 2. How does this protein help the body maintain homeostasis? Conclusion Questions: 1. Examine the protein you created. If the DNA strand that you started with had a change in it (A changed to G), what would happen to the protein made?
7:25 7 copiea imto a new molecule of RNA. What happens during the TERMINATION step of transcription? A. base pairs are added to the mRNA transcript B. RNA polymerase starts creating the mRNA transcript C. RNA polymerase stops adding bases to the mRNA transcript, causing the mRNA to separate from the DNA Copyright © 2003 - 2022 International Academy of Science. All Rights Reserved. 7
11:29 Protein 6-10092015113530.pdf https:api.schoology.comv1attachment169963838... Name Class Date 2. How are enzymes involved in this process? 3. hаppens anzips"? 4. Why is it important that exact copies of DNA be made? 5. Suppose that a sequence of one DNA strand is T-A-C-A-A-C-G-T-G. What is the corresponding sequence on the other strand? E Concept Mapping The construction of and theory behind concept mapping are discussed on pages vil-ix in the front of this Study Guide. Read those pages carefully. Then consider the concepts presented in Section 7-1 and how you would organize them into a concept i page 74. Notice that the concept map has been started for you. Add the key Now look at the concept map for Chapter 7 on concepts you are important Secti When you have finished the chapter, you will have a completed concept map. 69 1 of 1
TAC-ATA-ACG-CGA-CAA-CTA-AAA-ACT Write the amino acid sequence of the protein that would be formed by translating this plece of DNA. You can use the three letter abbreviations for the amino acid in each box, do not use the name of the full amino acids, Use the abbrevlation of the amino adid exactly as Itswritten in the table (including the appropriate capltalizations For example it your answer for amino acid 1 is"Methionine" you would write MET in the box (not Met or met) Second Later UUU UUUC Phe UCU UAU Ser UAC UAA UAG Tyr UGU Cys U Leu UCA ucG UGC Stop uGA Beop UUG Step UGG Trp G Cuu C cuC CUA CUG CU Leu Coc CCA CG CAU Pro cGu CAC CAA CAG His CGC Arg CGA CGG 1st 3rd letter AUU A AUG AUA AUG ACU le AAU AAC AGU ACC Asn Ser U leBer ACC ACA Mct ACG The AAA AAG ACA Lys AGG Arg acu Val GCC GCA GCG GAU GAC GAA GAG GOU GGC GGA GGG Arp G GUC GUA GUG Ala Gly Glu Seovence of the protein, 1st amino acid. 2nd arnino acid: 3rd amino acid: 4th amino acid Sth amino acid: 6th amino acid: 7th amino…
12:18 # א [Template] SAS4 6 PART 5: Mutations Background Information Mutations are changes in the DNA of an organism. These mutations can be harmful, helpful or neutral (not having any impact on the organism at all.) There are three types of mutations-insertion, deletion and substitution. Substitution mutations occur when a single base pair is substituted for the correct base. For example, if a section of DNA is ATTCG, the mutated strand could be ATTGG. Insertion mutations occur when one or more base pairs is added (inserted) to a DNA sequence. For example, if a section of DNA is ATTCG, the mutated strand could be ATATCG. Deletion mutations occur when one or more base pairs are omitted from a DNA sequence. For example, if a section of DNA is ATTCG, the mutated strand could be ATCG. Mutations can happen for several reasons. A. DNA fails to copy accurately. Most of the mutations that we think of are "naturally-occurring." For example, when a cell divides, it makes a copy of its DNA – and…
12:18 A Bell Ringer for We.. / Bell Ringer for Wednesday Draw a line between the codons for each strand of MRNA: 1. AGGUCAUGCAUGGGCAUGCAU 2. AGAGAUUCAGCUAGCACGAUA 3. GUCAUCGAUCGAUCGGAUGCC 4. UUUCAGUCAGCUAGCGAUCGU 5. CUAAUGUGGAUCCUGAACGCU Use the codon chart to translate the amino acid sequence for the given MRNA strand. Below each codon, write the 3-letter abbreviation for the corresponding amino acid. A G A G U UU GAGA UCUGGUUGGAA AG CGUA uUA A c GUAU A G G A U C G A U G G G GU G clu UA G cUA G A II
5:40 If the nonsense mutation is in the last exon of the mRNA, the result would be: O nonsense-mediated decay O truncated mRNA Oa splice variant Ono expression
7:07 1 How Mutations Occur (Developing) Question O Practice It! /// A Select the statement(s) that accurately describe the function of DNA polymerase and the types of mutations that may occur. O Point mutations occur when a single nitrogenous base is substituted. Frameshift mutations occur when a nitrogenous base is inserted or deleted. start d le O Point mutations are less serious than frameshift mutations, as only a single base pair is affected. DNA has rare mutations during replication because DNA polymerase functions to build and repair errors in nitrogen base pairings of A-G and T-C. 3 Pro O DNA has rare mutations during replication because DNA polymerase functions to build and repair errors in nitrogen base pairings of A-T and G-C. O Point mutations occur when a nitrogenous base is inserted or deleted. Frameshift mutations occur when a single nitrogenous based is substituted. B.McKenzie - Uncontrolled Cell Growth B.McKenzie - Uncontrolled Cell Growth B.McKenzie - Uncontrolled…
Procedure 1. 2. 3. 4. 5. 6. Fill in the data table below. Complete column B by writing the correct mRNA codon for each sequence of DNA bases listed in the column marked DNA Base Sequence. Use the letters A, U, C, or G. Identify the process responsible by writing its name on the arrow in column A. Complete column D by writing the correct tRNA anticodon that bonds to each mRNA codon from column B. Identify the process responsible by writing its name on the arrow in column C. Translate the mRNA codons from column B into amino acids in column E using the table. Data Table DNA base sequence AAT GGG ATA AAA GTT A Process B mRNA codon с Process D tRNA |anticodon E Amino acid
What are the structural differences between RNA and DNA?
Why is it important that DNA replication take place before cell division? What would happen if cell division of a body cell took place without DNA replication, or when DNA replication was incomplete?
Quinolone antibiotics treat bacterial infections by blocking the activity of topoisomerase. Why does this treatment work? Explain what occurs at the molecular level.