Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
8th Edition
ISBN: 9780133909029
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 2TYK
Level 1: Knowledge/Comprehension
2. Which of the following methods of gene regulation do eukaryotes and prokaryotes have in common?
a. elaborate packing of DNA in chromosomes
b. activator and repressor proteins, which attach to DNA
c. the addition of a cap and tail to mRNA after transcription
d. lac and trp operons
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Students have asked these similar questions
what 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 mRNA
In prokaryotes, control of gene expression usually occurs at the
a. splicing of pre-mRNA into mature mRNA.
b. initiation of translation.
c. initiation of transcription.
d. All of the choices are correct.
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 transcription
Chapter 11 Solutions
Campbell Biology: Concepts & Connections, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (8th Edition)
Ch. 11 - Complete the following concept map to test your...Ch. 11 - Level 1: Knowledge/Comprehension 2. Which of the...Ch. 11 - A homeotic gene does which of the following? a. It...Ch. 11 - Which of the following is a valid difference...Ch. 11 - The control of gene expression is more complex in...Ch. 11 - Your bone cells, muscle cells, and skin cells look...Ch. 11 - Prob. 7TYKCh. 11 - You obtain an egg cell from the ovary of a white...Ch. 11 - Mutations can alter the function of the lac operon...Ch. 11 - A mutation in a single gene may cause a major...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is characteristic of genes and gene regulation in both bacteria and eukaryotes? (a) promoters (b) non-coding DNA within coding sequences (c) enhancers (d) operons (e) DNA located in a nucleusarrow_forwardPost-translational control refers to: a. regulation of gene expression after transcription b. regulation of gene expression after translation c. control of epigenetic activation d. period between transcription and translationarrow_forward3. Inducers: a. transcribe a messenger off a DNA template b. bind to ribosomes to activate the production of specific proteins c. are a molecule that binds to a repressor to activate it d. are essential to function of transfer RNAs during translation e. bind to repressor protein and transcription of mRNA can then take placearrow_forward
- Alternate splicing: A. Reduces mRNA half-life by shortening poly(A) tails B. Disrupts histone arrangement for increased transcription C. Uses topoisomerase to complete its function D. Can produce 2 or more products from one genearrow_forward1. Create a DNA sequence with eighteen nucleotides. Indicate its 3’ on the left and 5’ on the right since that’s the template strand you will need in the next question to transcribe the mRNA. 2. Transcribe the DNA sequence above and separate the triplets into codons. Indicate 5’ and 3’ in the correct location on the strand. (Don’t worry about splicing- assume that the pre- mRNA is the same as the mature mRNA sequence) 3. Look at the genetic code, and indicate which amino acid is coded for by the codons in the above mRNA. 4. ANSWER BELOW QUESTIONS: A. First write the original DNA strand. Indicate where the substitution was by either circling it or writing it in a different color. Then write the mutated DNA sequence with the point mutation (aka substitution) wherever you choose for it to be. Again, circle it or write it in a different color. Do the same for the transcribed mRNA. Repeat the directions for 2 and 3 for this new DNA stand. (i.e., include the mRNA and translated protein…arrow_forwardA scientist observing a cell during gene expression would be able to easily distinguish it as a prokaryotic cell by which of the following observations? Group of answer choices as soon as the DNA introns are removed from the template after the 5' caps are converted to mRNA after a transcription initiation complex has been formed during transcription once the pre-mRNA has been converted to mRNA 2. Which of the following would best ensure that a kidney cell and a liver cell from the same person would express different genes? Group of answer choices differences in introns unique sets of transcription factors they only have specific genes unique sets of promotersarrow_forward
- Choose all that apply regarding gene transcription in eukaryotes: Exons are removed from mRNA by the spliceosome. RNA polymerase II must completely finish an mRNA transcript before processing can begin. RNA polymerase I catalyzes the synthesis of the majority of ribosomal RNA. Histone acetylation is a method of controlling gene expression. Acetylation creates more positive charges on histones, leading to tighter binding of the proteins to DNA. Introns must be removed from the initial RNA transcript. The hormone 17beta-estradiol binds to a G-protein coupled receptor to control gene transcription. The 5' cap of mRNA requires the free triphosphate on the nucleotide at the 5' end. Multiple transcription factors are necessary to form the pre-initiation complex (PIC) of RNA Pol II.arrow_forwardA scientist observing a cell during gene expression would be able to easily distinguish it as a prokaryotic cell by which of the following observations? Group of answer choices as soon as the DNA introns are removed from the template after the 5' caps are converted to mRNA after a transcription initiation complex has been formed during transcription once the pre-mRNA has been converted to mRNA 2.Scientist wanted to determine what molecule held the ‘gene ‘ if they did a study in which a cell was infected by a virus,which part of the virus actually caused the infection inside the cell!? -Dna -ribosome -protien -Rnaarrow_forwardSome events that take place in proteins synthesis are shown below: A. An enzyme reads the gene surface B. A transcription factor bonds to a promoter site C. An mRNA molecule is produced D. The transcript leaves the nucleus E. An MRNA polymerase attaches to the template strand Which if the following shows the correct sequence? ACEDB ЕВАCD ОВАСЕ D EACAD О САВЕD О АВСЕD В АEDC ВЕАСD EABCDarrow_forward
- Which of the following gene regulation mechanisms are found ONLY in prokaryotes? a. coordinate regulation b. transcriptional regulation c. alternative splicing d. translational regulation e. DNA modificationsarrow_forward1) Where in the heck did Class I transposons originate? a DNA mutations. b Bacteria. c Prophages. d Retroviruses. 2) What do you think about humans only having about 22,500 genes but we contain about 100,000 proteins?! a The production of quaternary shape in proteins can contribute to protein variation. b That's the work of the spliceosome! c Post-translation modifications in the Golgi Apparatus are responsible for some of that. d All the answers are correct.arrow_forwardMatch Column A with Column B. transports amino acids to the site of protein synthesis has anticodon loop directs amino acid sequence of proteins contains the Shine-Delgarno sequence synthesized in the eukaryote nucleus found inside the ribosome region where the RNA binds to the DNA template…arrow_forward
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