Biology and Genetics

a) You have to run an important pcr reaction. Unfortunately you can\'t find any

a) You have to run an important pcr reaction. Unfortunately you can't find any TAQ in the whole department. The only DNA poly DNA polymerase that is available is the Klenow fragme…

a) [10 pts Amino acid side chain pKa values shift relative tothe pKa in water wh

a) [10 pts Amino acid side chain pKa values shift relative tothe pKa in water when the side chains are placed in different protein environments. Predict the direction of the side …

a) [10 pts] When His297 of mandalate racemase is mutated to Asn, there is no det

a) [10 pts] When His297 of mandalate racemase is mutated to Asn, there is no detectable racemase activity. If we mix mutant enzyme and substrate together in D2O, it is possible to…

a) [10 pts] When His297 of mandalate racemase is mutated to Asn, there is no det

a) [10 pts] When His297 of mandalate racemase is mutated to Asn, there is no detectable racemase activity. If we mix mutant enzyme and substrate together in D2O, it is possible to…

a) a mutation in the Nerd gene that produces a protein that cannot be phosphoryl

a) a mutation in the Nerd gene that produces a protein that cannot be phosphorylated by PKA b) a mutation in the nuclear import sequence of PKA from PPKKKRKV to PPAAAAAV c) a muta…

a) all ion channels close b) the interior of the cell becomes positively charged

a) all ion channels close b) the interior of the cell becomes positively charged relative to the outside c) the cell soon reaches threshold d) the interior of the cell becomes neg…

a) b) What physical forms could you expect in the pGLO plasmid? c) Should the nu

a) b) What physical forms could you expect in the pGLO plasmid? c) Should the number of different DNA bands in the "double digest" lane equal the number of bands in the EcoRI pGLO…

a) b) What physical forms could you expect in the pGLO plasmid? c) Should the nu

a) b) What physical forms could you expect in the pGLO plasmid? c) Should the number of different DNA bands in the "double digest" lane equal the number of bands in the EcoRI pGLO…

a) b) c) Neurons that are completely contained within the central nervous system

a) b) c) Neurons that are completely contained within the central nervous system are called: Reflexes that require input from the brain are called: Skeletal muscle reflexes use se…

a) briefly describe the \"dark object subtraction method\", including its object

a) briefly describe the "dark object subtraction method", including its objective and how it is achieved. b) Assume you have an 8-bit sensor with blue, red, and shortwave infared …

a) discuss a most likely diagnosis for patients condition by discussing risk fac

a) discuss a most likely diagnosis for patients condition by discussing risk factors and underlying pathophysiology. what can be other possible differential diagnosis? Patient pre…

a) discuss light efficiency, light saturation point, lap and respiratory rate b)

a) discuss light efficiency, light saturation point, lap and respiratory rate b)list relevant acclimation mechanism specific to light usage this should include mechanism specific …

a) estimate the attitude of the structures shown in each plot. b) describe the c

a) estimate the attitude of the structures shown in each plot. b) describe the contour pattern(girdle, point concentration) c) with the results of part a, construct a synoptic dia…

a) heat fluctuation b) iver cruises c) stormsd) exposure ) Suspension feeders ar

a) heat fluctuation b) iver cruises c) stormsd) exposure ) Suspension feeders are important in transferring energy from the water column to the a) pelagic zone b) benthos c) litto…

a) how do ionizers, radioactive neutralizers and antistatic materials work?why d

a) how do ionizers, radioactive neutralizers and antistatic materials work?why does humidification work? b) using Ohms law,(V=IR) estimate which of the following combinations of s…

a) kidney tubules b) lining of stomach klh 9. Where would you find stratified sq

a) kidney tubules b) lining of stomach klh 9. Where would you find stratified squamous epithelium? b) nose a) skin c) lining of stomach d) sweat gland d) epithelial d) positive fe…

a) mitosis b) decrease c) Heterozygous recessive d) increase e) dominant f) homo

a) mitosis b) decrease c) Heterozygous recessive d) increase e) dominant f) homozygous dominant g) out- breading h) plant poination by bees i) heterozygous j) migration k)recessiv…

a) momentum. b) energy c) speed. d) all of the above. 50. Does a car hoisted for

a) momentum. b) energy c) speed. d) all of the above. 50. Does a car hoisted for repairs in a service station have increased potential energy relative to the floor? a) yes b) no c…

a) serve as a structural component of human cells b) form the regulatory molecul

a) serve as a structural component of human cells b) form the regulatory molecules known as enzymes c) are the body's most important source of energy d) help to protect vital orga…

a) they included a relative large number of outgroups to root their cladogram. W

a) they included a relative large number of outgroups to root their cladogram. What is one of the taxa used as an outgroup? b) what is basal lineage in the family felidae? c) whic…

a) what amount of energy in joules go into squirrel egestion? b.) what is the ec

a) what amount of energy in joules go into squirrel egestion? b.) what is the ecological efficiency at this teophic level? is it higher or lower than the typical efficency of trop…

a) what is the meaning of the term coordination number as itapplies to metal com

a) what is the meaning of the term coordination number as itapplies to metal complexes? b) Generally speaking, what structural feature characterizessubstances that can serve as li…

a). By itself, is mutation a strong evolutionary force? b). You are studying a p

a). By itself, is mutation a strong evolutionary force? b). You are studying a population of kangaroo rats on the Pawnee (yes, they really do live out there), Of the 50 alleles sa…

a). Name the organic molecule being synthesized during the above process b). Whi

a). Name the organic molecule being synthesized during the above process b). Which tube was the negative control for the experiment c). Why did you use bromothymol in the experime…

a). On what amino acid reside does glycosylation occur in the ER? Di-sulfide bon

a). On what amino acid reside does glycosylation occur in the ER? Di-sulfide bond formation? Where in the cell do these modifications take place? b) You are at a cocktail party an…

a). is the average fertility rate that doubles the population in one generation,

a). is the average fertility rate that doubles the population in one generation, b). it is the average fertility rate that just replaces the parents, c). it is slightly greater th…

a)A couple plan on having six children. What is the probability that they will h

a)A couple plan on having six children. What is the probability that they will have 3 boys and 3 girls? (Answer in reduced fraction format) b)Consider the cross AabbCcDD x AaBbccD…

a)A population of lab rats recently escaped into the sewer system of Washington,

a)A population of lab rats recently escaped into the sewer system of Washington, D.C. A brave researcher sampled this population and estimated the following phenotypic frequencies…

a)Calculate the molarity of the standard base solution if a5.1362g sample is use

a)Calculate the molarity of the standard base solution if a5.1362g sample is used to prepare 100ml in the volumetric flask.(Molecular weight: 121.13g) b) Calculate the molar conce…

a)If you have 14 amino acids in a polypeptide chain, how many peptide bonds are

a)If you have 14 amino acids in a polypeptide chain, how many peptide bonds are there in the polypeptide chain? b) T/F R groups affect peptide bond formation. c)What is unique abo…

a)In transcription, what is meant by the phrases “coding strand” and “template s

a)In transcription, what is meant by the phrases “coding strand” and “template strand”? How do they each relate to RNA? If given one or the other, could you provide the mRNA that …

a)Individuals diagnosed with PKU are placed on a low phenylalanine diet. Why wou

a)Individuals diagnosed with PKU are placed on a low phenylalanine diet. Why would a phenylalanine-free diet be undesirable? b)Why should patients with PKU avoid the artificial sw…

a)Some one has isolated proteins from a rapidly growing culture of cells and ana

a)Some one has isolated proteins from a rapidly growing culture of cells and analyzed the N-linked oligosaccharide chains found on the glycosylated proteins. Not all of the chains…

a)Suppose someone, whose temperature is originally 37 degrees C, is murdered in

a)Suppose someone, whose temperature is originally 37 degrees C, is murdered in a room that has constant temperature 25 degrees C. The temperature is measured at 28 degrees C when…

a)Suppose you neef to make a 10 -1 dilution of 2.0 mL of an E.coli culture. Expl

a)Suppose you neef to make a 10-1 dilution of 2.0 mL of an E.coli culture. Explain how would you do this? b)Suppose you neef to make a 10-2 dilution of 5.0 mL of an E.coli culture…

a)T/FIt is not energetically favorable to form a peptide bond. b)In which direct

a)T/FIt is not energetically favorable to form a peptide bond. b)In which direction do the hydrogen bonds run in an alpha helix relative to the direction of the helix? Between whi…

a)The mutant and wild-type RNA migrate the same distance from the top of the gel

a)The mutant and wild-type RNA migrate the same distance from the top of the gel. b)The mutant RNA migrates more quickly and thus travels a greater distance in the gel compared to…

a)True or false: One single hydrogen bond can make the difference between a prot

a)True or false: One single hydrogen bond can make the difference between a protein folding and not folding. b)List three features that the strongest hydrogen bonds share. c)Is hy…

a)What is point E? What phases are present at point E b)What is point P? What ph

a)What is point E? What phases are present at point E b)What is point P? What phases are present at point P? c)What is the line A-E called? What is its significance of this line? …

a)You produce a strain of knockout mice in which you have deleted the A gene to

a)You produce a strain of knockout mice in which you have deleted the A gene to be Ako. You don’t know whether a functioning A gene is essential for the animals to survive, ie you…

a)parents who are considering whether to have their 3-month-old daughter Samanth

a)parents who are considering whether to have their 3-month-old daughter Samantha’s vision disorder corrected. Samantha’s disorder, which can be completely corrected only through …

a)what if you were a polynesian \"wayfinder\"(navigator) and did not use a compa

a)what if you were a polynesian "wayfinder"(navigator) and did not use a compass but you used measurements of a star's altitude made using your hand and fingers to determine when …

a)what is its overall texture, grain size, sorting, classification and rock name

a)what is its overall texture, grain size, sorting, classification and rock name? describe the potential process of formation of the rock ( use diagram from the rock cycle and exp…

a,b,c,d eLab4. Selective and Differential Media Videos: Selective Media. MacConk

a,b,c,d eLab4. Selective and Differential Media Videos: Selective Media. MacConkey; EMB and Hektoen Enteric Mannitol Salt Agar Blood Agar Answer the following questions: a. Why ar…

a- 12 A A ? 1 u.abe x, x.A-e.A Background Part 2: Variable Stars Variable stars

a- 12 A A ? 1 u.abe x, x.A-e.A Background Part 2: Variable Stars Variable stars are those that change their luminosity with time. They tend to be found in the Instability Strip on…

a- A b-AB c-B d-O e- None. 2- Which gland is located on the posterior surface of

a- A b-AB c-B d-O e- None. 2- Which gland is located on the posterior surface of the sternum: a- Pituitary. b- Hypothalamus c- Pinal body. d- Thymus. e- Thyroid. 3- Select the lym…

a- Calculate the heat, necessary to eliminated 200 g of liquid water from a cont

a- Calculate the heat, necessary to eliminated 200 g of liquid water from a container which has 400 g of ice at -10 C0. b- Calculate the specific heat of an unknown material with …

a- infarction b- ischemia c- necrosis d- all of the above 18- of which following

a- infarction b- ischemia c- necrosis d- all of the above 18- of which following risk factors for coronary artery disease, which is most predictive of the disease? a- diabetes mel…

a- sympathetic b. parasympathetic c-autonomic d- a and b e- a, b, and c. 8- Fact

a- sympathetic b. parasympathetic c-autonomic d- a and b e- a, b, and c. 8- Factors associated with primary hypertension include all the following except a-family history of hyper…

a-F below list the effects on DNA replication that would be expected in a cell i

a-F below list the effects on DNA replication that would be expected in a cell if the gene for one of the following proteins (i-vi) is mutated and nonfunctional. Write the roman n…