Biology and Genetics

2. An intracellular signaling pathway makes molecule Z. The first protein involv

2. An intracellular signaling pathway makes molecule Z. The first protein involved in this athway is a receptor protein called X. Once X is activated, it is unclear whether protei…

2. An octapeptide was determined to have the following amino acid composition: L

2.         An octapeptide was determined to have the following amino acid composition: Lys (2), Phe (2), Gly (1), His (1), Leu (1), Met (1). The native peptide was run through one…

2. An oil reservoir has an average porosity 12%. The reservoir temperature is 98

2. An oil reservoir has an average porosity 12%. The reservoir temperature is 98C. T the water sample from the reservoir is 0.07 ohm.m he water resistivity Rw measured at room tem…

2. An unknown protein sample was subjected to SDS-PAGE and yielded one band. Whe

2. An unknown protein sample was subjected to SDS-PAGE and yielded one band. When subjected to native PAGE, two bands were observed. Give a reasonable explanation for this behavio…

2. Anaerobic muscular work takes place when: 3. A substance essential for anaero

2. Anaerobic muscular work takes place when: 3. A substance essential for anaerobic metabolism is: Etc.. (438 EXERCISE EXAM DR, OWLIA MULTIPLE CHOICE. 1. A key A. substance essent…

2. And finally suppose that this earthquake described above was just a foreshock

2. And finally suppose that this earthquake described above was just a foreshock of Mw4.5 and that the -main quake occurred a day or a week later. When the main quake happened it …

2. Answer the following questions a. You have a flask of cells in culture. The d

2. Answer the following questions a. You have a flask of cells in culture. The density of cells in the flask is 1.52 x 106 cells/mL. What volume of this culture would you need in …

2. Aortic valve stenosis is a hardening of the aortic valve which makes it diffi

2. Aortic valve stenosis is a hardening of the aortic valve which makes it difficult to eject blood from the left ventricle. What effect does this have on the normal electrical an…

2. As a comparative immunologist, you are studying antibody diversity in the Afr

2. As a comparative immunologist, you are studying antibody diversity in the African pangolin. Pangolin antibodies are generated from two different heavy chain genes (H1. H2) and …

2. As a joke, Prof. Canaan made Alice a batch of brownies cntter eating an inhib

2. As a joke, Prof. Canaan made Alice a batch of brownies cntter eating an inhibitor ofnsan made Alice a batch liver. W inds that only scated with metabolism. After eating these d…

2. As a new graduate student in a translational genetics research lab at Emory U

2. As a new graduate student in a translational genetics research lab at Emory University in Georgia, you have selected a thesis project which requires you to develop three assays…

2. As a true bibliophile, she spent a great deal of the time in the library. Whi

2. As a true bibliophile, she spent a great deal of the time in the library. Which of the following defines the word ‘bibliophile’? A. A university professor B. A lover of books C…

2. As chief operating officer of a large inner-city hospital, you note that the

2. As chief operating officer of a large inner-city hospital, you note that the hospital has seen a rise in utilization of Emergency Department visits by patients who are not “eme…

2. As genes encoding cyclin-dependent kinases were cloned from fission yeast, bu

2. As genes encoding cyclin-dependent kinases were cloned from fission yeast, budding yeast, and animal cells, investigators working in plant systems designed experiments to deter…

2. As we just discussed, regulation er glucose lewehk in the blood depend on the

2. As we just discussed, regulation er glucose lewehk in the blood depend on the signaling cascades kicked am by receptar binding of insulin gucagan and cascade that initiated by …

2. Assume a population of pea plants consists of 300 TT and 700 tt with T (tall)

2. Assume a population of pea plants consists of 300 TT and 700 tt with T (tall) dominant to t (short) What are the phenotypic, genotypic, and allele frequencies? a. Further assum…

2. Assume that a magma chamber has the following kms long kms high. The followin

2. Assume that a magma chamber has the following kms long kms high. The following kms dimensions wide and elements are also present - Si, Na, K, Fe Mg, O and Al. (25 pts) a. If th…

2. Assume that, in a population of birds, two alleles exist for tail color: red,

2. Assume that, in a population of birds, two alleles exist for tail color: red, which is recessive, and blue, which is dominant. Out of a total population of 1000 birds, 640 have…

2. Assume the oxygen capacity of blood is 20ml/100 ml of blood. If the oxygen co

2. Assume the oxygen capacity of blood is 20ml/100 ml of blood. If the oxygen consumption of the brain is 50 ml/min, the blood is 100 % saturated in the carotid arteries carrying …

2. Assuming that a normal (untransformed) E. coli is not resistant to any antibi

2. Assuming that a normal (untransformed) E. coli is not resistant to any antibiotic, what will happen if a ligation product that does not have any insert in it enters the bacteri…

2. At a certain college campus, students can choose to enter the cafeteria using

2. At a certain college campus, students can choose to enter the cafeteria using one of A custodian noticed that door #3 was always getting broken and suggested that more students…

2. At rest, if we opened a Y3 channel, in what direction would the ion move? Res

2. At rest, if we opened a Y3 channel, in what direction would the ion move? Resting membrane potential +78.4 mV. However, the equilibrium potential of Y'3 is -26.0 mV. If you ope…

2. Atpenin is a relatively new antifungal antibiotic produced by Penicillium. In

2. Atpenin is a relatively new antifungal antibiotic produced by Penicillium. In order to investigate its mode of action the following experiments were preformed: A suspension of …

2. Baby girl Destiny was born by cesarean delivery 2 days ago. Destiny weighed 7

2. Baby girl Destiny was born by cesarean delivery 2 days ago. Destiny weighed 7 pounds 3 ounces, length 19 inches, head circumference 34 cm, chest circumference 34 cm. Her newbor…

2. Back in lab, you treat liver cells with a high concentration of a membrane pe

2. Back in lab, you treat liver cells with a high concentration of a membrane permeable cAMP analog (stable molecule, similar to cAMP, that can mimic cAMP in the cell) A. (3pts) Y…

2. Back in lab, you treat liver cells with a high concentration of a membrane pe

2. Back in lab, you treat liver cells with a high concentration of a membrane permeable cAMP analog (stable molecule, similar to cAMP, that can mimic cAMP in the cel) A. (3pts) Yo…

2. Back in lab, you treat liver cells with a high concentration of a membrane pe

2. Back in lab, you treat liver cells with a high concentration of a membrane permeable cAMP analog (stable molecule, similar to CAMP, that can mimic cAMP in the cell) A. (3pts) Y…

2. Background information: Polydactyly is an autosomal dominant condition and as

2. Background information: Polydactyly is an autosomal dominant condition and assume it is NOT 100% Individuals can inherit the allele for polydactyly but have no extra fingers or…

2. Bacteria may synthesize many of the amino acids needed for growth. A bacteria

2. Bacteria may synthesize many of the amino acids needed for growth. A bacterial culture was exposed to a mutagen, and mutant strains were isolated that could not grow in the abs…

2. Barbara has two brothers and a sister, all in good health. Barbara?s mother h

2. Barbara has two brothers and a sister, all in good health. Barbara?s mother has sickle cell anemia (a recessive condition). She knows that her uncle on her mother?s side also h…

2. Based on this cladogram, A) name the historical process consistent with the c

2. Based on this cladogram, A) name the historical process consistent with the current distribution of cichlid fishes from 4 regions, B) which 2 regions form sister groups of spec…

2. Based on your calculations in problem one (previous question posted), as well

2. Based on your calculations in problem one (previous question posted), as well as your general observations of the analemma, answer the following questions: a. During which two …

2. Based on your results from experiment 1, where would you predict the most mol

2. Based on your results from experiment 1, where would you predict the most mold growth? A. warm, dark, vinegar warm, dark, sugar cold, dark, vinegar cold, dark, sugar 1. Based o…

2. Because of Nathan\'s symptoms, the pediatrician prescribes arterial blood gas

2. Because of Nathan's symptoms, the pediatrician prescribes arterial blood gases (ABGs) be drawn. What is the purpose of this prescription and what nursing implications are appro…

2. Because oxygen has a greater electronegativity than hydrogen, water molecules

2. Because oxygen has a greater electronegativity than hydrogen, water molecules are polar with two partial negative charges near the oxygen atom and one partial positive charge n…

2. Below are some measured cardiovascular parameters in a healthy male subject.

2. Below are some measured cardiovascular parameters in a healthy male subject. You may want to diagram the circuit to help visualize the pressures and complete the calculations. …

2. Below is the coding strand of a gene A: 5 -GACACCATGACATGGTACGACTTTACGAACCCGC

2. Below is the coding strand of a gene A: 5 -GACACCATGACATGGTACGACTTTACGAACCCGCAGGAATAGCTAACAACCGACA-3" Write the sequence of the complementary strand below the coding strand, in…

2. Beth (age 18) is experiencing her first pregnancy and is now 24 weeks gestati

2. Beth (age 18) is experiencing her first pregnancy and is now 24 weeks gestation. She tells you that she is “amazed by the changes that have happened to my body already.” Beth w…

2. Between 3.8 and 4.0 billion years ago, the Earth received a number of direct

2. Between 3.8 and 4.0 billion years ago, the Earth received a number of direct impacts by large asteroids having a diameter of about 100 miles and a mass (m) of about 1019 kg. Gi…

2. Both the ftz gene and the engrailed gene encode transcription factors that ar

2. Both the ftz gene and the engrailed gene encode transcription factors that are capable of activating the expression of other genes. The ftz and engrailed genes are expressed at…

2. Broad-spectrum drugs that disrupt the body\'s normal flora often cause a. Nep

2. Broad-spectrum drugs that disrupt the body's normal flora often cause a. Nephrotoxicity b. Superinfections c. Allergic reactions d. Drug toxicity e. All of the above 3. A chemi…

2. Buffers. Physiological pH inside of living cells is about 7.4. The total free

2. Buffers. Physiological pH inside of living cells is about 7.4. The total free concentration of phosphate inside of cells is about I mM. Phosphate exists in four different proto…

2. Bulb switch. Six 100-watt incandescent lights are replaced by 40-watt fluores

2. Bulb switch. Six 100-watt incandescent lights are replaced by 40-watt fluorescent tubes that produce five times the lumens/watt. (a) How many tubes are needed to retain the sam…

2. Cancer genome sequencing is being used to classify tumors according to the sp

2. Cancer genome sequencing is being used to classify tumors according to the spectrum of mutant genes. a) Mutations found in cancer genomes are sorted into two types, “driver” mu…

2. Cancer in all of its forms) is the second leading cause of death in the US. O

2. Cancer in all of its forms) is the second leading cause of death in the US. One type of treatment for many tumors is the use of cytotoxic chemotherapeutic agents; the compounds…

2. Carl Casill is a 75 year old male with chronic bronchitis has a barrel chest

2. Carl Casill is a 75 year old male with chronic bronchitis has a barrel chest and cyanosis of the lips and fingers. His pulse oximeter reads 86% oxygenation on room air. His PaO…

2. Carl Edwards is a 75-year-old man with congestive heart failure. Having susta

2. Carl Edwards is a 75-year-old man with congestive heart failure. Having sustained three myocardial infarctions in the last 10 years, he has decreased left ventricular function.…

2. Carol is a 15-year-old distance rower. She is a single rower with her school’

2. Carol is a 15-year-old distance rower. She is a single rower with her school’s rowing club and competes regularly. She spends 1.5 hours a day, five days a week rowing on the wa…

2. Case: Senior smoker succumbs to severe spasms A 65-year old man comes into yo

2. Case: Senior smoker succumbs to severe spasms A 65-year old man comes into your clinic with labored breathing and complains that his chest hurts. He presents with fever, chills…

2. Cell cycle check points are a. Surveillance mechanisms that promote the activ

2. Cell cycle check points are a. Surveillance mechanisms that promote the activation of Cdk complexes b. Monitoring mechanisms that inhibit protein synthesis at specific times of…