Biology and Genetics

4) The presence of archaea has been inferred for rocks as old as: 1.8 billion ye

4) The presence of archaea has been inferred for rocks as old as: 1.8 billion years 2.8 billion years 3.8 bllion years 4.5 billion years ) The geologic time when archaea first app…

4) The test tube and contents should be heated again for an additional three min

4) The test tube and contents should be heated again for an additional three minutes, cooled, and re-weighed. If this weight agrees within 0.01 grams of the previous one, you may …

4) Westem blot: In a westem blot, what substance has an enzyme attached to it, s

4) Westem blot: In a westem blot, what substance has an enzyme attached to it, so you can detect where a primary antibody has bound? Secandar ant body a) /b) What is the name of s…

4) What are desired properties for a myogenic progenitor population to be used f

4) What are desired properties for a myogenic progenitor population to be used for the treatment of muscular dystrophies? Please select all correct answers.             a. Ability…

4) What are the forms of silica (SiO2) e fields? a) in b) d) 5) T-1309 (5.19 log

4) What are the forms of silica (SiO2) e fields? a) in b) d) 5) T-1309 (5.19 log C)-273.15 a) what is T and C in this formula? b) Where do we use this formula? 6) Silica geothermo…

4) What is the correct sequence of events in a stretch-sensitive sensory neuron?

4) What is the correct sequence of events in a stretch-sensitive sensory neuron? (4.5 points) action potential(s) action potential propagation graded potential (receptor potential…

4) What is the genotype of individual 1? A) homozygous diseased, B) heterozygous

4) What is the genotype of individual 1? A) homozygous diseased, B) heterozygous diseased, C) homozygous normal 5) When looking at individuals 3 and 4, we can conclude that they a…

4) What is unique about transport epithelial cells in the ascending loop of Henl

4) What is unique about transport epithelial cells in the ascending loop of Henle in humans? a) their membranes are impermeable to salt ions, b) they are not in contact with inter…

4) When a patient is in a persistent vegetative state, rank the importance of ea

4) When a patient is in a persistent vegetative state, rank the importance of each factor in the determination of whether we should remove medical interventions to let the patient…

4) Which anatomical features align the fossil Proconsul with living hominids? Wh

4) Which anatomical features align the fossil Proconsul with living hominids? Which features are primitive (i.e., monkey-like)? 5) What are the morphological differences between a…

4) Which mutational variants are most likely to affect fitness, variants in intr

4) Which mutational variants are most likely to affect fitness, variants in introns or variants in exons? 5) What does SNP stand for? SNP stands for single nucleotide polymorphism…

4) Which of the following is a characteristic of ALL mammals? A) notochord B) de

4) Which of the following is a characteristic of ALL mammals? A) notochord B) deuterostome C) coelomate 5) Which of the following is NOT a principal feature seen in chordates (suc…

4) Which of the following metabolic enzymes uses GTP instead of ATP as the sourc

4) Which of the following metabolic enzymes uses GTP instead of ATP as the source of phosphoryl transfer? Glyceraldehyde dehydrogenase None of the choices listed Pyruvate carboxyl…

4) Which of the following techniques involves hybridizing a cDNA sample to a chi

4) Which of the following techniques involves hybridizing a cDNA sample to a chip containing thousands of single-stranded DNA sequences, allowing one to study the expression of th…

4) Which of the following techniques involves hybridizing a cDNA sample to a chi

4) Which of the following techniques involves hybridizing a cDNA sample to a chip containing thousands of single-stranded DNA sequences, allowing one to study the expression of th…

4) You are a forensic pathologist working in Northern Russia. An early hominid h

4) You are a forensic pathologist working in Northern Russia. An early hominid has been preserved and found in the permafrost. It is believed that a gene related to causing obesit…

4) You are given two samples of DNA, each of which melts at 92oC during thermal

4) You are given two samples of DNA, each of which melts at 92oC during thermal denaturation. After denaturing the DNA, you mix the two samples together then cool the mixture to a…

4) You have isolated a peptide and want to find the sequence. You have a handful

4) You have isolated a peptide and want to find the sequence. You have a handful of enzymes and reagents to work with, but no access to a peptide sequencer. But you're confident i…

4) You performed matings with other flies from question 3 and found some unusual

4) You performed matings with other flies from question 3 and found some unusual results. The 1600 F2 progeny are the result of crossing the Fl progeny to each other. P1: thick wi…

4) You performed matings with other flies from question 3 and found some unusual

4) You performed matings with other flies from question 3 and found some unusual results. The 1600 F2 progeny are the result of crossing the F1 progeny to each other. P1: thick wi…

4) You were on the team that developed and launched Moldavia’s first satellite (

4) You were on the team that developed and launched Moldavia’s first satellite (a low earth orbit, spy satellite).   After a few months of perfect performance and great, high reso…

4) You\'ve built a hyper biofuel producing strain and to prevent corporate espio

4) You've built a hyper biofuel producing strain and to prevent corporate espionage you have incorporated a kill switch using CRISPR that destroys your host genome when triggered …

4) Your laboratory has an Analytical Threshold to separate signal from noise set

4) Your laboratory has an Analytical Threshold to separate signal from noise set at 250RFU and a stutter ratio threshold of 15%. Calculate the stutter ratios for each allele and p…

4)A female Drosophila heterozygous for black body color (b), curved wings (c) an

4)A female Drosophila heterozygous for black body color (b), curved wings (c) and purple eye color (p) is test crossed to a black bodied, curved winged, purple eyed male.The follo…

4)A female Drosophila heterozygous for black body color (b), curved wings (c) an

4)A female Drosophila heterozygous for black body color (b), curved wings (c) and purple eye color (p) is test crossed to a black bodied, curved winged, purple eyed male.The follo…

4)A study was conducted to investigate the levels of calcium and growth hormone

4)A study was conducted to investigate the levels of calcium and growth hormone excreted in chicken dung on a major chicken farm. The variances (V) were calculated and are shown b…

4)Cestode infections caused by this organism can increase due to autoinfection.

4)Cestode infections caused by this organism can increase due to autoinfection. No intermediate host is required. Eggs contain a hexacanth embryo with polar filaments. A. Diphyllo…

4)Download the following file, save it, and then open it from within Google Eart

4)Download the following file, save it, and then open it from within Google Earth. Go to New York, NY. Locate the plate boundary that is geographically nearest to New York. (Be su…

4)Scenario: You just got hired as entry level healthcare administrator and your

4)Scenario: You just got hired as entry level healthcare administrator and your employer offers two types of insurance plans. A married coworker/employee with two children asks yo…

4, 11-14)- Requires Respondus LockDown Browser ne Left:111:35 Abaynhe Worku: Att

4, 11-14)- Requires Respondus LockDown Browser ne Left:111:35 Abaynhe Worku: Attempt1 Question 1 (1 point) Even though spontaneous reactions don't require a large input of energy …

4, Multiple alleles Mendel\'s work suggested that just two alleles existed for e

4, Multiple alleles Mendel's work suggested that just two alleles existed for each gene. Today, we know that's not always, or even usually, the case! Although individual humans (a…

4- humoral and cell mediated immune responses are more developed in mammals and

4- humoral and cell mediated immune responses are more developed in mammals and birds. why is this? Both hair and feathers contain immunoglobulins. Which are important to this typ…

4- what steps did you take to fix the problem (to make the image clear)? Choose

4- what steps did you take to fix the problem (to make the image clear)? Choose at least one answer. a. adjust the ocular lenses b. switch to 4x c. switch objectives d. adjust the…

4-7Thinking It Through Mr. Fiacco is complaining of an irritation on his left ar

4-7Thinking It Through Mr. Fiacco is complaining of an irritation on his left arm where he had been applying a cream prescribed by the provider. You know that Mr. Fiacco has a ski…

4-8 Disorders at the Organelle Level. Each of the following medical problems inv

4-8 Disorders at the Organelle Level. Each of the following medical problems involves a disorder in the function of an orga- nelle or other cell structure. In each case, identify …

4-Chlorobenzaldehyde + KOH,H+ >> 4-Chlorobenzyl alcohol +4-Chlorobenzoic acid Pu

4-Chlorobenzaldehyde + KOH,H+ >> 4-Chlorobenzyl alcohol +4-Chlorobenzoic acid Purpose: This experiment illustrates the simultaneous oxidation andreduction of an aromatic ald…

4. ( 6 points) Below is a pedigree showing a family with a significant genetic d

4. ( 6 points) Below is a pedigree showing a family with a significant genetic disorder. Please answer the questions below 3 4 1 2 3 4 5 6 7 8 9 10 11 a. How many individuals are …

4. ( 6 points) Below is a pedigree showing a family with a significant genetic d

4. ( 6 points) Below is a pedigree showing a family with a significant genetic disorder. Please answer the questions below 3 4 1 2 3 4 5 6 7 8 9 10 11 a. How many individuals are …

4. (1 pt) True False: The geostrophic wind is directed parallel to isobars with

4. (1 pt) True False: The geostrophic wind is directed parallel to isobars with lower pressure to the left in the Northern hemisphere. 5. (1 pt) True False: A cyclone has relative…

4. (1 pt) True False: The geostrophic wind is directed parallel to isobars with

4. (1 pt) True False: The geostrophic wind is directed parallel to isobars with lower pressure to the left in the Northern hemisphere. 5. (1 pt) True False: A cyclone has relative…

4. (1.5 pts) You are wanting to improve your athletic performance. A friend from

4. (1.5 pts) You are wanting to improve your athletic performance. A friend from the gym suggests that you take the supplement a-ketoglutarate. Theoretically, what effect would ex…

4. (10 points) A young couple (Jane and Joe) consulted a genetic counselor becau

4. (10 points) A young couple (Jane and Joe) consulted a genetic counselor because each of them had a sibling (brother or sister) affected with form of cancer called retinoblastom…

4. (10 points) A young couple (Jane and Joe) consulted a genetic sounselor.becau

4. (10 points) A young couple (Jane and Joe) consulted a genetic sounselor.because each of them had a sibling (brother or sister) affected with form of cancer called retinoblastom…

4. (10 points, 46 points cumulative) Suppose that a population of voles is growi

4. (10 points, 46 points cumulative) Suppose that a population of voles is growing according to a logistic equation. The carrying capacity is K 1200 and the exponential growth rat…

4. (10 pts) From the following velocity seismograms, label all seismic phases. U

4. (10 pts) From the following velocity seismograms, label all seismic phases. Use the travel times listed below to help you out. Is this a deep (300-660km) earthquake? If so, how…

4. (10pts) Please discuss the origin and evolution of magmas in an arc setting (

4. (10pts) Please discuss the origin and evolution of magmas in an arc setting (island arc and continental magmatic arc). How does the original magma form and what compositio How …

4. (15 points) Radioactive Iodine (1-131), which has a half-life of 8 days, is u

4. (15 points) Radioactive Iodine (1-131), which has a half-life of 8 days, is used in the treatment of thyroid cancer. Suppose that a patient is given an initial dose of 50 milli…

4. (18 pts) After the polypeptide (45 residues) shown below was treated with mal

4. (18 pts) After the polypeptide (45 residues) shown below was treated with maleic anhydride, trypsin was no longer able to cleave the polypeptide on the C-side of lysine. Gly-Al…

4. (2 pts.) We see 3 different developmental strategies in mammals: monotremes (

4. (2 pts.) We see 3 different developmental strategies in mammals: monotremes (lay shelled eggs), marsupials (part internal and part external development), and placentals (fully …

4. (20 pts) There is a difference in the way that oligosaccharides are degraded

4. (20 pts) There is a difference in the way that oligosaccharides are degraded (reduced to monosaccharide size) prior to entering glycolysis. a) What are the reactants and produc…