Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 4, Problem 30P
Interpretation Introduction
Interpretation:
The key characteristics of genetic code should be explained.
Concept introduction:
Genetic code is a set of instructions used to translate genetic information encoded in DNA into proteins.
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True or False. Just write T if it is true and F if it is false.
In E. coli both RNA and protein synthesis take place in the cytoplasm.
Okazaki fragments are ssDNA CHAINS OF 100-200 nucleotides long, primed by very short RNA primers in bacteria.
In eukaryotic gene, the coding sequences are known as introns while the intervening sequences are the exons.
The central dogma refers to the fact that proteins are products of information encoded in RNA using a DNA intermediate.
The ends of the linear chromosomes are maintained by telomerase to prevent it from shortening during mitosis.
The Shine Delgarno sequence is where the RNA pol binds during transcription in prokaryotes
The sigma subunit of the E. coli RNA polymerase confers specificity to transcription.
Both DNA replication and transcription follow a 5’ to 3’ direction of polarity.
Nucleosomes are the structural unit of chromatin.
In the lagging strand, the enzyme X removes RNA primers attached by PRIMASE and this gap is then filled…
True or False. In a comparison between the DNAs of related organisms such as humans and mice, conserved sequences represent functionally important exons and regulatory regions, and non-conserved sequences generally represent noncoding DNA. Explain your answer in 2-3 sentences.
True or False.
Do single-stranded DNA strands stabilize other strands?
Chapter 4 Solutions
Biochemistry
Ch. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10P
Ch. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52P
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- RNA is transcribed. Label the 5′ and 3′ ends of each strand. 17. The following sequence of nucleotides is found in a single-stranded DNA template: ATTGCCAGATCATCCCAATAGAT Assume that RNA polymerase proceeds along this template from left to right. a. Which end of the DNA template is 5′ and which end is 3′? b. Give the sequence and identify the 5′ and 3′ ends of the RNA transcribed from this template.arrow_forwardPlease help me with the orange question. My answer is leading strand will encounter lagging strand. I dont know if it’s correct. Thank youarrow_forwardPlease help me with this please. I really don't know how to make this. I really do appreciate you're help. 1. make a simple illustration to relate the different kinds of DNA to its function.arrow_forward
- True or False. De-acetylation of histone tails allows nucleosomes to pack together into tighter arrays, which usually reduces gene expression. Explain your answer in 1-2 sentences.arrow_forwardBe sure to answer all parts. Write a possible mRNA sequence that codes for each peptide. a. His-Cys-Tyr-Val-Ser 5¹- b. Phe-Val-Thr-Tyr-Glu 5'- 5'- c. Trp-Phe-Asn-Gln -3' U -3' с Table 26.2 The Genetic Code-Triplets in Messenger RNA First Base (5' end) -3' U UUU UUC UUA UUG CUU CUC CUA CUG AUL Phe Phe Leu Leu Leu Leu Leu Leu la C UCU UCC UCA UCG CCU CCC CCA CCG Second Base A UAU UAC UAA UAG CAU CAC CAA CAG Ser Ser Ser Ser Pro Pro Pro Pro Tyr 55 Tyr Stop Stop His His Gin Gin G UGU UGC UGA UGG CGU CGC CGA CGG Cys Cys Stop Trp Arg Arg Arg Arg Third Base (3¹ ond) DUAC DU AG с А Аarrow_forwardPlease help me solve this problem. I am really having a hard time understanding this lesson. Please help. Kindly provide all the necessary information to this problem. Thank you! Please answer numbers 1-5 determine what amino acid will be formed from the given DNA strand below: 3’ T A C A T G C C G A A T G C C 5’ Note: Prepare the partner strand of this DNA. Discuss how will replication happen by mentioning the enzyme needed then transcribe to form mRNA. Discuss what will happen to mRNA, then translate, mentioning the anticodon to be used. Look at the genetic code to know what amino acid will become part of the polypeptide chain. 1. Partner DNA strand 2. the mRNA strand 3. The tRNA 4. the formed amino acids 5. the discussion of the entire procedurearrow_forward
- RNA sequence. ate 3' and 5' ends on BOTH strands ate which strand served as the TEMPLATE strand and which ING strandarrow_forwardtRNA enzyme. Any given aminoacyl-tRNA synthetase: a. Attaches the amino acid to the 5′-end '5end of the tRNA b. Always recognizes only one specific tRNA c. Recognizes all tRNA molecules d. Forms an ester linkage between the amino acid and the tRNAarrow_forwardTRUE or FALSE. If false, write the word/s that make(s) the statement incorrect. 1.The 2 subunits of DNA PoI II are called clamp loader and sliding clamps. 2. In eukaryotes, replication and transcription occur in the nucleus, while translation occurs in the cytoplasm.arrow_forward
- Remember remove the introns! All introns start with GT and end with AG.arrow_forwardBased on the sequence data below. Which of the indicated sections of the sequence can you trust to have the correct sequence. (Select all that apply).arrow_forwardPlease draw or send me a picture of the structure of DNA and label the parts. Thank you very much.arrow_forward
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