Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 9, Problem 13SQ
Summary Introduction
Introduction: DNA consists of genetic instructions in the form of gene sequences. It directs messenger RNA (mRNA) synthesis in the cell. During the formation of mRNA in a process known as transcription, each letter in the gene sequence is copied which codes for a particular amino acid. The polypeptide chain is synthesized on the basis of amino acid sequences in the reading frame. This process is known as translation.
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Chapter 9 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - An RNA molecule is typically ______; a DNA...Ch. 9 - RNAs form by_____; proteins form by ________. a....Ch. 9 - The main function of a DNA molecule is to ________...Ch. 9 - The main function of an mRNA molecule is to ___ ....Ch. 9 - Prob. 7SQCh. 9 - Prob. 1DAACh. 9 - Prob. 2DAACh. 9 - Prob. 3DAA
Ch. 9 - Prob. 4DAACh. 9 - Prob. 8SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...Ch. 9 - Up to ______ amino adds can be encoded by an mRNA...Ch. 9 - Prob. 11SQCh. 9 - Prob. 12SQCh. 9 - Prob. 13SQCh. 9 - Energy that drives translation is provided mainly...Ch. 9 - Match the terms with the best description. __...Ch. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the .sequence of bases in the previous...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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- What two sites are found in the ribosome that are necessary for the translocation of the ribosome? a. A and 5' b. P and 3' c. P and 5' d. A and Parrow_forwardThe first level of DNA organization in a eukaryotic cell is maintained by which molecule? a. cohesin b. condensin c. chromatin d. histonearrow_forwardA protein is synthesized on a ribosome within the rough endoplasmic reticulum. If the protein needs to be modified and packaged before export from the cell, to which structure is it sent? a. endosome b. Golgi body c. nucleus d. lysosome e. smooth endoplasmic reticulumarrow_forward
- Which molecule contains the genetic code? A. rDNA B. rRNA C.Ribosome D. mRNA E. tRNAarrow_forwardIn a Eukaryotic cell, Transcription occurs in the _____________________ of a cell while Translation occurs in the ______________________ a. Nucleus / Rough Endoplasmic Reticulum b. Golgi Apparatus / Lysosomes c. Nucleus / Nucleolus d. Smooth Endoplasmic Reticulum / Rough Endoplasmic Reticulumarrow_forwardWhat process is the P site in a ribosome most closely associated with? a. Binds the tRNA molecule carrying the next needed amino acid to the mRNA strand b. Transcription of DNA to RNA c. Release of a tRNA molecule from a ribosome d. Anchoring of the tRNA holding the growing polypeptidearrow_forward
- After ingesting a bacteria, macrophages process bacterial parts and ‘present’ them to acquired immunity cells so the acquired immune cells recognize these invaders again in the future. The antigen-presenting proteins ultimately end up in the plasma membrane. Where did it receive the post-translation modification that determined its final location? a. The ribosome b. The ER c. The Golgi d. The vesiclearrow_forwardWhich sequences are spliced out of the mRNA strand before leaving the nucleus? In other words, which sequences are not part of the code for the amino acids? a. exons b. intronsarrow_forward60. Which part of the cell actively participates during translation? A.Outer mitochondrial membrane B.Nuclear Pore C.Endoplasmic reticulum D. Ribosomesarrow_forward
- What factors are utilized by the cell in order to recognize the stop codon and disassemble the translation machinery? A. elongation factors B. release factors C. transcription factors D. initiation factors E. mRNA factorsarrow_forwardWhich of these features is found in eukaryotes but not bacteria?a. polygene mRNAs b. introns c. stop codon d. AUG codonarrow_forwardWhich type of gene controls functions like an "on-off" switch for gene transcription? A. DNA methylation B. Phosphorylation C. translation D. protein degradationarrow_forward
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