Biology and Genetics

4. A population is in mutation-selection balance for the adenoside deaminase def

4. A population is in mutation-selection balance for the adenoside deaminase deficiency allele, d, which is recessive to the D allele at this locus. Individuals must be homozygous…

4. A prescription for amoxicillin 250 mg/5 ml suspension is dropped off at the p

4. A prescription for amoxicillin 250 mg/5 ml suspension is dropped off at the pharmacy. The directions indicate the patient must take teaspoon po tid for 7 days. How much total a…

4. A protein biochemist attempted to determine the amino acid sequence of a deca

4. A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results from chymotrypsin, and cyanogen bromide treatments to suggest the amino ac…

4. A rare form of polydactyly (extra fingers and toes) in humans is due to an X-

4. A rare form of polydactyly (extra fingers and toes) in humans is due to an X-linked recessive gene. The chromosomal location of this gene is unknown. Suppose a geneticist studi…

4. A recessive X-linked character appears in 40 percent of males in a randomly i

4. A recessive X-linked character appears in 40 percent of males in a randomly interbreeding population. Assume only two alleles are present and the population is at Hardy-Weinber…

4. A research group wanted to know if daily consumption of energy drinks was a r

4. A research group wanted to know if daily consumption of energy drinks was a risk factor for hypertension in college-aged adults. The enrolled two groups of students as either '…

4. A researcher wants to determine how much virus she has isolated. She dilutes

4. A researcher wants to determine how much virus she has isolated. She dilutes her virus stock 100 times to make a diluted virus stock. This diluted virus stock is again diluted …

4. A scientist decides to use mice for a model of frontal head trauma and trauma

4. A scientist decides to use mice for a model of frontal head trauma and traumatic brain injuries (TBI). Some patients who suffer from frontal TBls have difficulty smelling, and …

4. A second 45 year old male patient has also arrived at the ER complaining of f

4. A second 45 year old male patient has also arrived at the ER complaining of fatigue. Frankly, he smells like he has already had a few beers today. Amazingly, you can see a rhyt…

4. A solution of the weak base, ammonia (NH3), was completely neutralized with t

4. A solution of the weak base, ammonia (NH3), was completely neutralized with the strong acid HCI. Write out the dominant equilibrium (including phase labels) that would exist in…

4. A student receives a solution of virus that has been diluted 1000 times (10 f

4. A student receives a solution of virus that has been diluted 1000 times (10 from their lab instructor. They perform a 1:100 (102) dilution of this virus and plate 0.1mL of it o…

4. A variety of squash is available as true breeding strains with white. yellow

4. A variety of squash is available as true breeding strains with white. yellow or green gourds. Use this information to answer the following questions. A-C are independent of eac…

4. A. V-type ATPases are capable of establishing a steep pH gradient across the

4. A. V-type ATPases are capable of establishing a steep pH gradient across the membranes in which they are present. However, establishment of a steep pH gradient also produces a …

4. A. What is the sharp solid projection A shown to the right? (thorn, spine, st

4. A. What is the sharp solid projection A shown to the right? (thorn, spine, stipular spine, prickle). (1 pt. What is the sharp solid projection B shown to the right? (thorm, spi…

4. According to the Optimal Foraging Theory. Please circle the correctrs(pts) Pr

4. According to the Optimal Foraging Theory. Please circle the correctrs(pts) Predators in an unproductive environment should be. . Specialists or Generalists Predators on feeding…

4. Adult male guppies (Poecilia reticulata) exhibit genetically determined spots

4. Adult male guppies (Poecilia reticulata) exhibit genetically determined spots, while juvenile and adult lemal guppies lack spols. In a study of selection. male and femalé guppi…

4. After a heart transplant, there is no direct connection between the nervous s

4. After a heart transplant, there is no direct connection between the nervous system and the heart. However, the cardiac output of patients with heart transplants can vary in res…

4. All of the following statements about mitochondrial-based human diseases are

4. All of the following statements about mitochondrial-based human diseases are true EXCEPT: A) Mitochondria replacement procedures (that produce the 'three-parent babies') are ju…

4. All of the following statements about mitochondrial-based human diseases are

4. All of the following statements about mitochondrial-based human diseases are true EXCEPT A) Mitochondria replacement procedures (that produce the three-parent babies') are just…

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous pitcher plant) as a model plant makes the following cross. She proceeds to take a wild type pure-br…

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous pitcher plant) as a model plant makes the following cross. She proceeds to take a wild type pure-br…

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous pitcher plant) as a model plant makes the following cross. She proceeds to take a wild type pure-br…

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous

4. An agricultural geneticist who uses Nepenthes distillatoria (the carnivorous pitcher plant) as a model plant makes the following cross. She proceeds to take a wild type pure-br…

4. An equivalent term for epicardium is A) parietal pericardium. B) myocardium.

4. An equivalent term for epicardium is A) parietal pericardium. B) myocardium. C) endocardium. D) visceral pericardium E) None of the answers is correct. 5. The coronary sulcus i…

4. An experiment involving 40 human subjects was conducted to examine the effect

4. An experiment involving 40 human subjects was conducted to examine the effects of anabolic steroids on muscle strength. Two groups were randomly established. Control Group 20 s…

4. And what is the use of systemic thrombolytic therapy? 5. What do you assess d

4. And what is the use of systemic thrombolytic therapy? 5. What do you assess doing fibrinolytics therapy? ANEURYSMS OF CENTRAL ARTERIES 1. What is an aneurysm 2. What is the dif…

4. Anne participates in triathlons. Recently, in a half Ironman race, she experi

4. Anne participates in triathlons. Recently, in a half Ironman race, she experienced nausea, intestinal cramping, and diarrhea on the run, leading to a poor performance. The enti…

4. Answer the following questions as they relate to Michaelis-Menten kinetics: a

4. Answer the following questions as they relate to Michaelis-Menten kinetics: a) (2 pts) Which of the following statements about Michaelis-Menten kinetics is correct? A) Km, the …

4. Answer the tollowing questions on archaic homo genus developiment (cnp. 12, 3

4. Answer the tollowing questions on archaic homo genus developiment (cnp. 12, 3 pts) a. Archaic Homo sapiens: a. occurs only in Europe and Asia. b. shows a mixture of Homo erectu…

4. Ant ibodies to human dimeric IgA could potentially react with A. human IgM B.

4. Ant ibodies to human dimeric IgA could potentially react with A. human IgM B. k light chains C. human IgG D. J chain E. A and B are correct F. C and D are correct G. none of th…

4. Aquaporin will not transport Na+ ions because A. Two asparagine residues in t

4. Aquaporin will not transport Na+ ions because A. Two asparagine residues in the channel prevent the passage of Na+ ions by binding the oxygen of each water molecule as it passe…

4. Assign the CPT code(s) for only the wound repair. A patient comes to the emer

4. Assign the CPT code(s) for only the wound repair. A patient comes to the emergency room after sustaining a 12.2-cm wound to the left side of her face. She was cut with a piece …

4. Assume that you just started doing some research in evolutionary biology and

4. Assume that you just started doing some research in evolutionary biology and your undergraduate project involves studying an insect species that mimic tree leaves. You suspect …

4. Assuming the life of a cell starts as soon as cell division is completed and

4. Assuming the life of a cell starts as soon as cell division is completed and ends when the cell starts a new process of cellular division, how many times in a cell’s life does …

4. At left is a portion of microarray analysis, showing only 36 genes. You are l

4. At left is a portion of microarray analysis, showing only 36 genes. You are looking at a cholesterol lowering drug that has been A producing some severe side effecets. You have…

4. At one time, plasmid pBR322 was used extensively in molecular cloning. Consid

4. At one time, plasmid pBR322 was used extensively in molecular cloning. Consider the following sequence: a 1.2 kb fragment with PstI overhangs at each end was mixed with pBR322 …

4. At time 0 an Hfr strain was mixed with an F- strain, and at various times aft

4. At time 0 an Hfr strain was mixed with an F- strain, and at various times after mixing, samples were removed and agitated to separate conjugating cells. The cells were then pla…

4. At time 0 an Hfr strain was mixed with an F- strain, and at various times aft

4. At time 0 an Hfr strain was mixed with an F- strain, and at various times after mixing, samples were removed and agitated to separate conjugating cells. The cells were then pla…

4. Based on the data in Figure 1, estimate the maximal velocity (Vm) and the Mic

4. Based on the data in Figure 1, estimate the maximal velocity (Vm) and the Michaelis-Menten constant (Km) for alkaline phosphatase. Figure 1. Substrate concentration-velocity cu…

4. Based on this limited dataset, qualitatively assess the possibility of the co

4. Based on this limited dataset, qualitatively assess the possibility of the correlations listed below. Explain the reasons for your conclusions. Is there evidence for a correlat…

4. Before trip out of the well, a slug* was pumped and chased by mud with return

4. Before trip out of the well, a slug* was pumped and chased by mud with returns to the pit. The pumps were stopped. The trip tank was lined up on the well. The top-drive was the…

4. Black fur is a dominant trait. Two black cats mate and produce 6 black kitens

4. Black fur is a dominant trait. Two black cats mate and produce 6 black kitens and 2 white kittens. What are the genotypes and phenotypes of the parent cats? a. b. What is the g…

4. Blind ended capillaries associated with gut are termed a. lymph nodules or fo

4. Blind ended capillaries associated with gut are termed a. lymph nodules or follicles b. lymph nodes c. lacteals d. germinal centers 5. Lymph transport involves all but which of…

4. Brain cells depend on glucose for energy and use GLUT3 (a glucose transporter

4. Brain cells depend on glucose for energy and use GLUT3 (a glucose transporter) which has a Km of 1.5 mM, Liver cells use a different glucose transporter, GLUT2 which has a Km o…

4. Briefly compare/contrast euploidy & aneuploidy aneuploidy & polyploidy triplo

4. Briefly compare/contrast euploidy & aneuploidy aneuploidy & polyploidy triploidy & trisomy (2 points) Given this sequence (of course the DNA is double stranded, but…

4. Cadherins are calcium-dependent cell adhesion proteins. Your supervisor asks

4. Cadherins are calcium-dependent cell adhesion proteins. Your supervisor asks you to devise a plan to recombinantly express and purify the cytoplasmic domain of human E- cadheri…

4. Cancer is a disease characterized by uncontrolled cellular accumulation of mu

4. Cancer is a disease characterized by uncontrolled cellular accumulation of mutations in the tumor cell. This can result in specific immunogenic tumor-associated antigens (TAA, …

4. Cancer is a disease characterized by uncontrolled cellular growth and accumul

4. Cancer is a disease characterized by uncontrolled cellular growth and accumulation of mutations in the tumor cell. This can result in specific immunogenic tumor-associated anti…

4. Choose A or BCS pts) A. I described an E. coli O157:H? escribed an E. coli O1

4. Choose A or BCS pts) A. I described an E. coli O157:H? escribed an E. coli O157:H7 (a type of EHFC) outbreak. Answer the following questions about this Outbreak: a. What type o…

4. Choose one of the two following questions (A or B to discuss in as much detai

4. Choose one of the two following questions (A or B to discuss in as much detail as you can. (10 pts) A. Define and discuss the metabolic changes that lead to metabolic syndrome …