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 12SQ
Summary Introduction
Introduction: Transcription is the process in which the
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What is the name of the process that adds a modified guanosine nucleotide to the 5’ phosphates of pre-mRNAs in eukaryotes?
a. splicing
b. polyadenylation
c. capping
d. nuclear export
e. photophosphorylation
Which molecule contains the genetic code?
A. rDNA
B. rRNA
C.Ribosome
D. mRNA
E. tRNA
Which gene regulation event is ONLY present in prokaryotes?
a. transcription level of regulation
b. Capping of precursor mRNA
c. Polyadenylation of the 3' end of the mRNAs
d. mRNA splicing
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 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_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_forwardWhich of these features is found in eukaryotes but not bacteria?a. polygene mRNAs b. introns c. stop codon d. AUG codonarrow_forward
- The Golgi Apparatus is primarily responsible for what type of protein processing? A. Trimming B. Folding C. Addition of signal peptides D. Addition of sugarsarrow_forwardWhat 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_forwardWhat 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_forward
- How is translation different in prokaryotes and eukaryotes? a. In prokaryotes, because they do not have a nucleus, the translation of mRNA occurs while it is being transcribed b. In prokaryotes, pre-mRNA translation before transcription occurs within the cell c.In prokaryotes, reverse trancriptase simultaneously translates and transcribes mRNAd.In prokaryotes, functional mRNA allows for translation to be skipped, and proteins are made during transcriptionarrow_forwardEukaryotes such as humans have linear chromosomes. In order to signal the end of DNA replication, there is a large repetitive sequence of DNA called a telomere. The telomere region of the DNA signals a process called a. detachment b. termination c. elongation d. transcriptionarrow_forward8) Which of these describes the function of RNA polymerase? A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA B. Converts a protein sequence to mRNAarrow_forward
- Treating a cell with a drug to stop tRNA from doing its job would mean what? A. that ribosomes would fall apart B. that sugars woulf not be added to proteins C. that nothing would be available to translate D. that amino acids would not be brought to the growing protein.arrow_forwardwhat is the first event to take place in translation in eukaryotic cell? a. An clongation of the polypeptide chain by the addition of amino acids b. Binding of the larger ribosomal subunits to the smaller ribosomal subunits c. Base pairing of activated methionine-tRNA to AUG of messenger RNA d. The small subunits of ribosome recognizing and attaching to 5' cap of mRNAarrow_forwardAfter 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_forward
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