BIOLOGY (OER)
2nd Edition
ISBN: 2810023110482
Author: OpenStax
Publisher: MBS
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Chapter 15, Problem 7RQ
Which subunit of the E. coli polymerase confers specificity to transcription?
a.
b.
c.
d.
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The metabolic pathway below is used for the production of the purine nucleotides adenosine monophosphate (AMP) and guanosine monophosphate (GMP) in eukaryotic cells. Assume each arrow represents a reaction catalyzed by a different enzyme. Using the principles of feedback inhibition, propose a regulatory scheme for this pathway that ensures an adequate supply of both AMP and GMP, and prevents the buildup of Intermediates A through G when supplies of both AMP and GMP are adequate.
QUESTION 27
Label the structures marked A, B, C and explain the role of structure A.
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plasma membrane
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Chapter 15 Solutions
BIOLOGY (OER)
Ch. 15 - Figure 15.11 A scientist splices a eukaryotic...Ch. 15 - Figure 15.13 Errors in splicing are implicated in...Ch. 15 - Figure 15.16 Many antibiotics inhibit bacterial...Ch. 15 - The AUC and AUA codons in mRNA both specify...Ch. 15 - How many nucleotides are in 12 mRNA codons? 12 24...Ch. 15 - Which event contradicts the central dogma of...Ch. 15 - Which subunit of the E. coli polymerase confers...Ch. 15 - The -10 and -35 regions of prokaryotic promoters...Ch. 15 - Three different bacteria species have the...Ch. 15 - Which feature of promoters can be found in both...
Ch. 15 - What transcripts will be most affected by low...Ch. 15 - How do enhancers and promoters differ? Enhancers...Ch. 15 - Which pre-mRNA processing step is important for...Ch. 15 - What processing step enhances the stability of...Ch. 15 - A scientist identifies a pre-mRNA with the...Ch. 15 - The RNA components of ribosomes are synthesized in...Ch. 15 - In any given species, there are at least how many...Ch. 15 - A scientist introduces a mutation that makes the...Ch. 15 - Imagine if there were 200 commonly occurring amino...Ch. 15 - Discuss how degeneracy of the genetic code makes...Ch. 15 - A scientist sequencing itiRNA identifies the...Ch. 15 - If mRNA is complementary to the DNA template...Ch. 15 - In your own words, describe the difference between...Ch. 15 - A fragment of bacterial DNA reads: 3’...Ch. 15 - A scientist observes that a cell has an RNA...Ch. 15 - Chronic lymphocytic leukemia patients often harbor...Ch. 15 - Transcribe and translate the following DNA...Ch. 15 - Explain how single nucleotide changes can have...Ch. 15 - A normal mRNA that reads 5’ -...
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- examples of synamtomorphy.arrow_forwardE. Bar Graph Use the same technique to upload the completed image. We will use a different type of graph to derive additional information from the CO2 data (Fig A1.6.2) 1. Calculate the average rate of increase in COz concentration per year for the time intervals 1959-1969, 1969- 1979, etc. and write the results in the spaces provided. The value for 1959-1969 is provided for you as an example. 2. Plot the results as a bar graph. The 1959-1969 is plotted for you. 3. Choose the graph that looks the most like yours A) E BAR GRAPH We will use a different type of graph to derive additional information from the CU, data (rig. nive). Average Yearly Rate of Observatory, Hawall interval Rate of increase per year 1959-1969 0.9 1969-1979 1979-1989 1989-1999 1999-2009 Figure A1.6.2 1999-2009 *- mrame -11- -n4 P2 جية 1989-1999 1979-1989 1969-1979 1959-1969 This bar drawn for you as an example 1.0 CO, Average Increase/Year (ppmv) B) E BAR GRAPH We will use a different type of graph to derive…arrow_forwardUse the relationships you just described to compute the values needed to fill in the blanks in the table in Fig A1.4.1 depth (a) 1.0 cml 0.7 cml cm| base dimensions (b, c)| 1.0 cm| 1.0 cm| 1.0 cm 1.0 cm| 1.0 cm| 1.0 cm volume (V) 1.0_cm' cm'| cm'| density (p) 1.0 g/cm'| 1.0 g/cm 1.0 g/cm' mass (m)| 0.3 g Column 1: depth at 1.0 cm volume mass Column 2: depth at 0.7 cm volume mass Column 3: unknown depth depth volumearrow_forward
- San Andreas Transform Boundary Plate Motion The geologic map below of southern California shows the position of the famous San Andreas Fault, a transform plate boundary between the North American Plate (east side) and the Pacific Plate (west side). The relative motion between the plates is indicated by the half arrows along the transform plate boundary (i.e., the Pacific Plate is moving to the northwest relative to the North American Plate). Note the two bodies of Oligocene volcanic rocks (labeled Ov) on the map in the previous page located along either side of the San Andreas Fault. These rocks are about 23.5 million years old and were once one body of rock. They have been separated by displacement along the fault. 21. Based on the offset of these volcanic rocks, what is the average annual rate of relative plate motion in cm/yr? SAF lab 2.jpg Group of answer choices 0.67 cm/yr 2 cm/yr 6.7 cm/yr 1.5 cm/yr CALIFORNIA Berkeley San Francisco K Os Q San Andreas Fault Ov…arrow_forwardThese are NOT part of any graded assignment. Are there other examples of synapomorphy. What is it called when the traits retained are similar to ancestors?arrow_forwardPlease hand draw everying. Thank you! Draw a gram positive bacterial cell below. Your cell should have the following parts, labeled: A coccus shape A capsule The gram positive cell wall should have the peptidoglycan labeled, as well as its component parts (NAM, NAG, and teichoic acid) A cell membrane Fimbriae A nucleoid Ribosomes Inclusionsarrow_forward
- Draw a gram negative bacterial cell below. Your cell should have the following parts, labeled: A bacillus shape Fimbriae Amphitrichous flagella 2 membranes (outer and inner) The outer membrane should have lipopolysaccharide (LPS) with lipid A and O antigens Periplasmic space The thin peptidoglycan cell wall between the 2 membranes A nucleoid Ribosomes Inclusionsarrow_forwardBacterial species Cell wall type Example: S. mitis Gram positive S. epidermidis H. pylori M. bovis S. marcescens Shape and arrangement Coccus, streptococcus Drawing 0000000arrow_forwardDraw a gram positive bacterial cell below. Your cell should have the following parts, labeled: A coccus shape A capsule The gram positive cell wall should have the peptidoglycan labeled, as well as its component parts (NAM, NAG, and teichoic acid) A cell membrane Fimbriae A nucleoid Ribosomes Inclusionsarrow_forward
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