Biology and Genetics

4. (20) A backpacking water filter that I purchased has a minimum absolute pore

4. (20) A backpacking water filter that I purchased has a minimum absolute pore size (i.e., a pore diameter) of 2.0 um. a. Will this filter trap the hepatitis A virus, which has a…

4. (25 points total) You want to understand how the density of P-selectin on the

4. (25 points total) You want to understand how the density of P-selectin on the endothelial lining of blood vessels affects the rolling interactions of neutrophils (a type of whi…

4. (25 points total) You want to understand how the density of P-selectin on the

4. (25 points total) You want to understand how the density of P-selectin on the endothelial lining of blood vessels affects the rolling interactions of neutrophils (a type of whi…

4. (25 points total) You want to understand how the density of P-selectin on the

4. (25 points total) You want to understand how the density of P-selectin on the endothelial lining of blood vessels affects the rolling interactions of neutrophils (a type of whi…

4. (25 pts) You are a member of alab studying DNA mismatch repair (MMR) in E.co.

4. (25 pts) You are a member of alab studying DNA mismatch repair (MMR) in E.co.A fellow lab mate has designed several experiments to test aspects of the MMR pathway. Evaluate if …

4. (2pts) In studies about learning in C. elegans, worms were trained to avoid c

4. (2pts) In studies about learning in C. elegans, worms were trained to avoid certain olfactory cues (smells). In one population, a mean of 12.5 trials was required. A subgroup o…

4. (2pts) What is another name for a protein that has taken on an unusual and de

4. (2pts) What is another name for a protein that has taken on an unusual and destructive shape? a. Degenerate b. Denatured c. Mutated d. Prion e. Slicer 5. (2pts) What component …

4. (3 points) Lichens are mutualistic relationships between fungi and cyanobactr

4. (3 points) Lichens are mutualistic relationships between fungi and cyanobactreria or green algae. Which features below describe best this relationship in comparison to photoaut…

4. (3 points). In mice, the allele C for colored fur is dominant over the allele

4. (3 points). In mice, the allele C for colored fur is dominant over the allele c for white fur, and the allele V for normal behavior is dominant over the allele v for waltzing b…

4. (3 pts) What is extinction7 Please explain the differences between mass extin

4. (3 pts) What is extinction7 Please explain the differences between mass extinctions and background extinctions. Are mass extinctions homogenous in their effect or in their Caus…

4. (30pts; 20,10) A groundwater contains 0.132 mM hydrogen sulfide (H2S) and 2.9

4. (30pts; 20,10) A groundwater contains 0.132 mM hydrogen sulfide (H2S) and 2.93x10 pM radioactive Radon-222 (Rn- 222). Recall the prefix p indicates pico, which is a factor of 1…

4. (4 points) Compare and contrast microfilaments, microfilaments, and intermedi

4. (4 points) Compare and contrast microfilaments, microfilaments, and intermediate filaments by filling in the table below, Microfilament Actin monomers Intermediate filaments Mi…

4. (4 pts) Nonsense mutations are mutations that introduce a STOP codon in place

4. (4 pts) Nonsense mutations are mutations that introduce a STOP codon in place of a sense codon, and result in premature termination of translation. These mutations are not as r…

4. (4) John is blood type O and his wife Jane is blood type B. Once their baby i

4. (4) John is blood type O and his wife Jane is blood type B. Once their baby is born, testing reveals that baby Jean is blood type A. Can John be the father? Show all possible g…

4. (4pts) In this experiment, you will make Protein Standards using a Dilution s

4. (4pts) In this experiment, you will make Protein Standards using a Dilution scheme. Read through the directions in the lab and perform the required calculations. Include your c…

4. (6 marks) A true-breeding Drosophila with red eyes and small body size was cr

4. (6 marks) A true-breeding Drosophila with red eyes and small body size was crossed with a true-breeding Drosophila with scarlet eyes and normal body size. The F1 all had red ey…

4. (8 points) The ribonucleotides C and G were mixed together with C 2X more abu

4. (8 points) The ribonucleotides C and G were mixed together with C 2X more abundant than G. The resulting RNAs were translated in a cell free system. A. (5 points) Give the amin…

4. (8 points) The ribonucleotides C and G were mixed together with C 2X more abu

4. (8 points) The ribonucleotides C and G were mixed together with C 2X more abundant than G. The resulting RNAs were translated in a cell free system. A. (5 points) Give the amin…

4. (Genetic Variation) Polymorphism and heterozygosity are measures of genetic v

4. (Genetic Variation) Polymorphism and heterozygosity are measures of genetic variation that can be used to monitor the health of endangered populations. Individuals in an endang…

4. (Problem 5) What is the concept of dominance? A. The concept of dominance sta

4. (Problem 5) What is the concept of dominance? A. The concept of dominance states that when two different alleles are present in a genotype, both alleles can be observed equally…

4. (a) A 45-year-old man was scheduled for an elective surgical procedure. Pre-a

4. (a) A 45-year-old man was scheduled for an elective surgical procedure. Pre-admission testing revealed the following results: Hb WBC Platelets 15.6 g/dL 10.3 x 10/L 34 x 10M No…

4. 0/12.5 points | Previous Answers ZinPhysLS3 27.P.005. My Notes Ask Your Teach

4. 0/12.5 points | Previous Answers ZinPhysLS3 27.P.005. My Notes Ask Your Teacher A dose of 16 Gy is to be delivered with a 6 MeV beam to a tumour located at a depth of 11 cm. An…

4. 4ptj Indicate whether the following statements are true or false. (Select T-T

4. 4ptj Indicate whether the following statements are true or false. (Select T-True, F-False. If the first is T and the rest F, enter TFFFFF) A) The nearest large spiral Galaxy, s…

4. 5. 6. 7. Wave Calculations Wave characteristics can be expressed mathematical

4. 5. 6. 7. Wave Calculations Wave characteristics can be expressed mathematically. For exampl wce celerity) is given by the relationship: Distance or Wave Length Time or Wave Per…

4. A 100 mL solution of 0.1 M glycine at pH 1.72 was titrated with 2 M NaOH solu

4. A 100 mL solution of 0.1 M glycine at pH 1.72 was titrated with 2 M NaOH solution. The pH was monitored and the results were plotted as shown in the following graph. The key po…

4. A 32-year-old female was admitted to hospital in active labour at term with h

4. A 32-year-old female was admitted to hospital in active labour at term with her first baby. After 8 hours there were signs of foetal distress and she was taken for an emergency…

4. A 32-year-old man sought medical attention for the onset of abdominal pain Ph

4. A 32-year-old man sought medical attention for the onset of abdominal pain Physical examination revealed mild jaundice and palpable spleen. His past medical history included ga…

4. A 42-year-old woman who has had proteinuria for about 5 years develops renal

4. A 42-year-old woman who has had proteinuria for about 5 years develops renal failure. She also has developed hypertension and has had several bacterial and vaginal yeast infect…

4. A 65-y/o man lung with sewrom eastem Euroe comes to you with a severe cough.

4. A 65-y/o man lung with sewrom eastem Euroe comes to you with a severe cough. His x-ay showed haziness throughout his right eastern ung with several round areas of clearing surr…

4. A Bradford assay was conducted to determine the total protein concentration i

4. A Bradford assay was conducted to determine the total protein concentration in a sample. 2 uL of the original sample was diluted to 100 uL with buffer before performing the ass…

4. A Crude extract is diluted by taking 0.25 ml and bringing it to a total volum

4. A Crude extract is diluted by taking 0.25 ml and bringing it to a total volume of 4.0 ml The following data was obtained A280 0.79 A260 0.22 Bradford http://www.csun.edu/hcchm0…

4. A Drosophila melanogaster female with cinnabar eyes is crossed to a D. melano

4.   A Drosophila melanogaster female with cinnabar eyes is crossed to a D. melanogaster male with brown eyes.The F1 are all red-eyed. The F1 are allowed to cross with each other,…

4. A \"sequence logo” is similar to a consensus sequence but also indicates the

4. A "sequence logo” is similar to a consensus sequence but also indicates the frequency of the most common nucleotide at each position. In the example below, the A at position 5 …

4. A brown-eyed man marries a blue-eyed woman and they have eight children, all

4. A brown-eyed man marries a blue-eyed woman and they have eight children, all with brown eyes. Can you be sure whether the man is homozygous or heterozygous for eye color? A) Ye…

4. A client in your care is very anxious about taking his newly prescribed medic

4. A client in your care is very anxious about taking his newly prescribed medication for depression, Pristiq. You attempt to alleviate his concerns about taking a new drug throug…

4. A continental margin has a thick layer of sediments overlying metamorphic bas

4. A continental margin has a thick layer of sediments overlying metamorphic basement rocks. It collides with another continental mass, and the compressive forces deform it into a…

4. A family has two children, one with a mild case of thalassemia, and a second

4. A family has two children, one with a mild case of thalassemia, and a second with severe case of thalassemia, requiring frequent blood transfusions as part treatment plan. One …

4. A gene encodes a protein with the following amino acid sequence A nonsense mu

4. A gene encodes a protein with the following amino acid sequence A nonsense mutation from a single-base-pair occurs in this gene, resulting in protein substitution suppressor mu…

4. A gene encodes a protein with the following amino acid sequence A nonsense mu

4. A gene encodes a protein with the following amino acid sequence A nonsense mutation from a single-base-pair occurs in this gene, resulting in protein substitution suppressor mu…

4. A geneticists studying a population of crabs on the beach and forest in the I

4. A geneticists studying a population of crabs on the beach and forest in the Island of Carriacou found the following BB 164 brown crabs Bb 700 brown crabs bb 36 yellow crabs hat…

4. A green fluorescence protein reporter gene regulated by the eve stripe 4 modu

4. A green fluorescence protein reporter gene regulated by the eve stripe 4 module is expressed (transcribed) in a single stripe of cells in the middle of Drosophila embryos. How …

4. A man with a Robertsonian deletion for chromosomes 14 and 21 (ie 2n=45, 14,21

4. A man with a Robertsonian deletion for chromosomes 14 and 21 (ie 2n=45, 14,21,14/21) gets married and decide to have children with his wife who has a normal chromosome compleme…

4. A municipal wastewater-treatment plant receives a seasonal discharge from a f

4. A municipal wastewater-treatment plant receives a seasonal discharge from a fruit processing plant. Influent flows and strengths of the wastewater when the industry is both on-…

4. A number of mutations affect the expression of the lactose operon in E. coli

4. A number of mutations affect the expression of the lactose operon in E. coli a mutant lac repressor that cannot bind the lac operator S a mutant lac repressor that cannot bind …

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all mic

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all microorganisms on a particular surface. How would the following situations affect the time normally ne…

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all mic

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all microorganisms on a particular surface. How would the following situations affect the time normally ne…

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all mic

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all microorganisms on a particular surface. How would the following situations affect the time normally ne…

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all mic

4. A particular disinfectant takes 2 min. of contact time to kill 90% of all microorganisms on a particular surface. How would the following situations affect the time normally ne…

4. A patient is admitted to the hospital with injuries from a hiking accident. T

4. A patient is admitted to the hospital with injuries from a hiking accident. The patient has several broken bones and deep cuts. He is treated with antibiotics to prevent possib…

4. A pentapeptide was found to have the sequence) Aa pentapeptide s reagent, fol

4. A pentapeptide was found to have the sequence) Aa pentapeptide s reagent, folloposition (not sequence) Ala Arg Gly Pro Trp. Reaction of the s, gave the DNP derivative of prolin…