Which of the following is NOT a property of the genetic code? O It specifies the amino acids within a polypeptide O It is composed of codons, which are a specific sequence of three bases O It has start codon, which specifies the starting point for polypeptide synthesis O It has stop codons, which specify the end of polypeptide synthesis O It determines the rate of transcription

Which of the following is NOT a property of the genetic code? O It specifies the amino acids within a polypeptide O It is composed of codons, which are a specific sequence of three bases O It has start codon, which specifies the starting point for polypeptide synthesis O It has stop codons, which specify the end of polypeptide synthesis O It determines the rate of transcription

Name: Which of the following is NOT a property of the genetic code?O It spe
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Description: Which of the following is NOT a property of the genetic code?O It specifies the amino acids within a polypeptideO It is composed of codons, which are a specific sequence of three basesO It has start codon, which specifies the starting point for poly

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 8QP: The following segment of DNA codes for a protein. The uppercase letters represent exons. The...

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A certain mRNA strand has the following nucleotide sequence: 5AUGACGUAUAACUUU3 What is the anticodon for each codon? What is the amino acid sequence of the polypeptide? (Use Figure 13-5 to help answer this question.) Figure 13-5 The genetic code The genetic code specifies all possible combinations of the three bases that compose codons in mRNA. Of the 64 possible codons, 61 specify amino acids (see Figure 3-17 for an explanation of abbreviations). The codon AUG specifies the amino acid methionine and also signals the ribosome to initiate translation (start). Three codonsUAA, UGA, and UAGdo not specify amino acids; they terminate polypeptide synthesis (stop).
Which of the following is/are not found in a bacterial mRNA molecule? (a) stop codon (b) upstream leader sequences (c) downstream trailing sequences (d) start codon (e) promoter sequences
Eukaryotic mRNA: usessnRNPs to cut out introns and seal together translatableexons. uses a spliceosome mechanism made of DNA to recognizeconsensus sequences to cut and splice. has a guanine cap on its 39 end and a poly(A) tail on its 59 end. is composed of adenine, thymine, guanine, and cytosine. codes the guanine cap and poly(A) tail from the DNAtemplate.
The following segment of DNA codes for a protein. The uppercase letters represent exons. The lowercase letters represent introns. The lower strand is the template strand. Draw the primary transcript and the mRNA resulting from this DNA.
In the gene-coding sequence shown here, which of the following events will produce a frameshift after the last mutational site? a. insertion of an A after the first codon b. deletion of the second codon (AAA) c. insertion of TA after the second codon and deletion of CG in the fourth codon d. deletion of AC in the third codon
Which of the following statements is true regarding the genetic code? O One DNA base contributes to two codons O Prokaryotes use a simple one-base code, while eukaryotes use a three-base code O Codons are translated as overlapping triplets O Most amino acids are coded for by more than one codon
The following is a section of a messenger RNA: 5' GACUACAUA 3' Look at the sequence carefully and using the following genetic code, translate the MRNA into an amino acid sequence. Second Letter U A G Phe uCu UC | Tyr UGU Cys u UUU U UUC UUA UUG UAU UAC UAA UAG UGC Stop UGA Stop A Stop UGG Trp G Ser UCA UCG Leu CAU CAC САА CAG CU CU His CGU U c Cuc CUA CUG Leu cc CCA CG CGC Arg CGA CG Pro Gin A 3rd G 1st letter AUU Ser u letter ACU lle ACC ACA AAU Asn AGU Thr AAC AAA A AUC AGC AUA AGA | Lys A Arg G AUG Met ACG AAG AGG Asp GUU G GUC GUA GCU GAU GAC GAA GGU GGC Gly Val |GCC GCA GCG Ala GGA GGG A Glu GUG GAG G O Tyr-Val-Val O Asp-Tyr-lle O Leu-Met-Tyr O lle-His-Gln O Asp-Thr-Leu-Tyr-Thr-His-lle 星

Which of these molecules has multiple partial charges and thus is most soluble in water? B H HHH HHH ABCD or E CH H CHOH D CH OH A cell is specialized in producing oil and steroid hormone. Which structure would be found in large r cell? O vacuoles O peroxisome O rough endoplasmic reticulum O smooth endoplasmic reticulum The oxygen released from photosynthesis results from: Reduction of NADP* to NADPH Chemiosmosis Oxidation of water Photophosphorylation
For the codon sequence : 5’ GGA – AUA – UGG – UUC – CUA – 3’ Write the Amino acid sequence produced in each of the following ways: Translation proceeds in a normal manner A mutation changes GGA to GGG A mutation changes GGA to CGA
Protein synthesis is a complicated process involving DNA being transcribed to RNA, which is then translated into amino acids. Complete the DNA-to-amino acid table for three consecutive codons with the appropriate nucleotides and amino acids using a codon table. Nucleotide and amino acid options can be used multiple times or not at all. 5' to 3' DNA strand 3' to 5' DNA strand transcribed mRNA tRNA anticodon amino acid arginine cysteine leucine T A U A T G A U arginine leucine A proline T A U Answer Bank A G G с с T T A A U glutamic acid U G C G с с glutamic acid G G G с с G C arginine C G с G
A gene contains the sequence GGCTAAC. What is the sequence of the MRNA transcribed from this strand of DNA? CCGATTG CCGAUUG GGCTAAC GGCUAAC
A codon is: three amino acids on a polypetide that are snipped off by the helicase enzyme sets of nucleotides on the tRNA, opposite the anti-codon sequence an mRNA component that specifies a specific amino acid that which attaches to the mRNA triplet sequence a don that goes with another don the protein that begins transcription by breaking H bonds