BIO 104L LAB MANUAL
12th Edition
ISBN: 9781307126853
Author: Mader
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 42.4, Problem 2CYP
Summary Introduction
To describe:
The process of menopause and to describe the reason for its occurrence.
Introduction:
With growing age of an individual, a number of changes occur in the body which is observed both in both males as well as females. In adolescence there is the primary growth of an individual’s body and with the onset of puberty there occurs secondary growth in humans in which there is emergence of secondary sexual characters like thickening of voice in males and shrilling of voice of female, development of beard and moustaches in males and many more.
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You will be building a double-stranded DNA molecule, representing a short (20 base) sequence that could be found in a chromosome. It will have a 3' --> 5' strand and a 5' --> 3' strand.
Use two full 12-base-pair DNA models.
a) Upload a picture of your model reflecting the Initiation phase of DNA replication.
b) Upload a picture of your model once it has entered the Elongation phase of DNA replication, showing the action of Primase.
c)Upload a picture of your model once it has entered the Elongation phase of DNA replication, showing the action of DNA Polymerase III.
a)What region of the DNA do general transcription factors and RNA polymerase bind to?
b)Where, in a eukaryotic cell, can one find TFs?
c)What are the TFs called that bind to Enhancer Sites?
d)Describe the role of Activators and Repressors in development.
a) Describe how mRNA and tRNA interact.
b)Translate the following mRNA codons: AUG GUU AAC CAG UGA
c) What are transcription factors made of?
Chapter 42 Solutions
BIO 104L LAB MANUAL
Ch. 42.1 - Describe the fast and slow blocks to polyspermy.Ch. 42.1 - Prob. 2CYPCh. 42.1 - Prob. 3CYPCh. 42.2 - Prob. 1CYPCh. 42.2 - Prob. 2CYPCh. 42.2 - Prob. 3CYPCh. 42.3 - Prob. 1CYPCh. 42.3 - Prob. 2CYPCh. 42.3 - Prob. 3CYPCh. 42.4 - Prob. 1CYP
Ch. 42.4 - Prob. 2CYPCh. 42.4 - Prob. 3CYPCh. 42 - Prob. 1BS.1QCCh. 42 - Prob. 1BS.2QCCh. 42 - Prob. 1ACh. 42 - Prob. 2ACh. 42 - Prob. 3ACh. 42 - Prob. 4ACh. 42 - Prob. 5ACh. 42 - Prob. 6ACh. 42 - Prob. 7ACh. 42 - Prob. 8ACh. 42 - Prob. 9ACh. 42 - Prob. 10ACh. 42 - Prob. 11ACh. 42 - Prob. 12ACh. 42 - Prob. 13ACh. 42 - Prob. 14ACh. 42 - Possible causes of the cellular damage that can...Ch. 42 - Prob. 1TSCh. 42 - Prob. 2TSCh. 42 - A variety of fertility tests are available for...Ch. 42 - Prob. 4TS
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- a) State the Central Dogma of Molecular Biology in your own words. b) What enzyme synthesizes mRNA? c) Describe mRNA splicing.arrow_forwardGive me detailed Solution. Don't give Ai generated solutionarrow_forwarda) The lux operon is under positive control. Based on this information, does the luxR regulator sequence make a repressor protein or an activator protein? b) How will binding of this complex affect RNA polymerase? Remember this operon is under positive control. c) AHL is a signal molecule that V. fisheri makes to communicate with neighboring bacterial cells. This molecule can diffuse outside of the cell and into another bacterial cell in close proximity. This type of communication between bacterial cells is known as quorum sensing. If bacterial cell density is low how will this affect the lux operon? What will happen if the density is high?arrow_forward
- 1) Given an mRNA with the following sequence, please translate the codons to a chain of amino acids. Use the codon chart below.5’AUG/CCU/GCU/UAC/CGG/GAG/UAA3’ “met-_________-_________-_________-_________-_________”STOP” 2) Assuming the original polypeptide chain below, match each type of point mutation with the polypeptide chain that results. Original polypeptide: Pro-Thr-Ser-Leu-Leu-His-Asn A. Missense B. Silent C. Nonsense D. Frameshift ______ Pro-Thr-Ser-STOP ______ Pro-Thr-Ser-Leu-Ile-His-Asn ______ Pro-Thr-Ser-Leu-Leu-His-Asn _______ Pro-Thr-His-Cys-Tyr-Thrarrow_forwardReferring to the Standard Genetic Code table, categorize the chemical properties of each of the 24 amino acids that make up the ER Signal Peptide (hydrophobic, hydrophilic, positive charge, or negative charge). What is notable about the chemical properties of the amino acids that make up the ER Signal Peptide? methionine- translation code tra-hyperopic amino acid R Origine eukiauk aicd amino glutamine HYDOICO ACIDS gaac -CHANGED AMINO ACIDarrow_forward1) Given an mRNA with the following sequence, please translate the codons to a chain of amino acids. Use the codon chart below.5’AUG/CCU/GCU/UAC/CGG/GAG/UAA3’ “met-_________-_________-_________-_________-_________”STOP” 2) Assuming the original polypeptide chain below, match each type of point mutation with the polypeptide chain that results. Original polypeptide: Pro-Thr-Ser-Leu-Leu-His-Asn A. Missense B. Silent C. Nonsense D. Frameshift ______ Pro-Thr-Ser-STOP ______ Pro-Thr-Ser-Leu-Ile-His-Asn ______ Pro-Thr-Ser-Leu-Leu-His-Asn _______ Pro-Thr-His-Cys-Tyr-Thrarrow_forward
- a) The relationship between the Hawaiian bobtail squid and V. fischeri is symbiotic where both species benefit. What is the benefit to each? b) Why might quorum sensing be beneficial to pathogenic bacteria? c) How might scientists use quorum sensing to treat bacterial infections?arrow_forwarda) What is the function of the disulfide bonds that form within and between the alpha and beta chains? b) How does proinsulin differ from mature insulin? c) What organelles are involved in forming mature insulin?arrow_forwarda) The amino acid sequence of the alpha chain terminates with a *. What does this symbol mean? b) In your own words describe the function of the signal peptide and its final fate in post transcriptional modification. c)How many amino acids form the precursor of insulin (preproinsulin)? d) Since the C-peptide is cut out of proinsulin to create the final mature insulin (B-chain and A-chain) what role do you think the C-peptide might play in the biosynthesis of the mature insulin protein?arrow_forward
- a) Calculating Transformation Efficiency For the +DNA/+Amp/+IPTG plate, record the following: Number of transformants (colonies): _________________ Nanograms of plasmid DNA added: 50 ng Final recovery volume: 0.50 mL Volume plated: 0.25 mL Transformation efficiency equation: Transformation efficiency = Number of transformants / µg of DNA x Final volume at recovery (mL)/ volume plated (mL) b) Using the equation above, calculate the transformation efficiency. c) Describe the success of the transformation efficiency of this demo based on the calculation you did above?arrow_forwarda) What differences would you expect to see between the -DNA/+Amp and +DNA/+Amp plates? b) Predict the growth you would expect to see on each of the following plates: – DNA ___________________________________________________________ – DNA/+Amp ______________________________________________________ +DNA/+Amp ______________________________________________________ +DNA/+Amp/+IPTG _________________________________________________arrow_forward1)Which plate did you see purple/pink/blue bacterial cells? Why did you see this growth? Explain your answer in terms of transformation and plasmids? 2) Calculating Transformation Efficiency For the +DNA/+Amp/+IPTG plate, record the following: Number of transformants (colonies): _________________ Nanograms of plasmid DNA added: 50 ng Final recovery volume: 0.50 mL Volume plated: 0.25 mL Transformation efficiency equation: Transformation efficiency = Number of transformants / µg of DNA x Final volume at recovery (mL)/ volume plated (mL) 3) Using the equation above, calculate the transformation efficiency. 4) Describe the success of the transformation efficiency of this demo based on the calculation you did above?arrow_forward
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