Biology and Genetics
101624 questions • Page 1828 / 2033
You did 5 fold dilutions and with the aid of an assay you will learn about it in
You did 5 fold dilutions and with the aid of an assay you will learn about it in a few weeks time, you were able to estimate that the concentration of antibody specific for the H1…
You did a second experiment where you filled a number of dialysis bags with solu
You did a second experiment where you filled a number of dialysis bags with solutions containing varying concentrations of sucrose. You then placed the bags into beakers containin…
You did an experiment that required to have a large number, 5,animals /group. At
You did an experiment that required to have a large number, 5,animals /group. At the day of the assay you pooled the spleens of each group. You made single cell suspension, washed…
You did an experiment that required to have a large number, 5,animals /group. At
You did an experiment that required to have a large number, 5,animals /group. At the day of the assay you pooled the spleens of each group. You made single cell suspension, washed…
You did not receive credit for this question in a previous attempt Indicate whet
You did not receive credit for this question in a previous attempt Indicate whether each of the following statements about DNA replication is true or false. 1. Because the 2 stran…
You dirill a hole into a marsh that is next to a meandering river. What sequence
You dirill a hole into a marsh that is next to a meandering river. What sequence of grain sizes will you find from.top.to bottom? o coarse sand, fine sand, silt, clay clay, gravel…
You discover a certain species of weed growing in soil contaminated with toxic P
You discover a certain species of weed growing in soil contaminated with toxic PCBs, and later determine that the PCB resistance is due to a single dominant allele. SHOW YOUR WORK…
You discover a genetic disease among the Nibblonians that presents as a chronic
You discover a genetic disease among the Nibblonians that presents as a chronic runny nose. You have determine that the disease is due to a single autosomal recessive allele expre…
You discover a light-activated symport that transports Na+ and pyruvate into the
You discover a light-activated symport that transports Na+ and pyruvate into the cell. You call this symport Symp1. You create an artificial vesicle where the only protein in the …
You discover a mutant yeast strain that cannot grow when provided with pyruvate
You discover a mutant yeast strain that cannot grow when provided with pyruvate as its sole carbohydrate, although it grows normally when given glucose as a carbon energy source; …
You discover a mutation in anti in a tumor sample. The mutation is within the IA
You discover a mutation in anti in a tumor sample. The mutation is within the IAP binding domain. You are trying to figure out whether you should treat this What should you do and…
You discover a mutation in anti- IAPs in a tumor sample. The mutation is within
You discover a mutation in anti-IAPs in a tumor sample. The mutation is within the IAP binding domain. You are trying to figure out whether you should treat this patient with a dr…
You discover a mutation in anti-IAPs in a tumor sample. The mutation is within t
You discover a mutation in anti-IAPs in a tumor sample. The mutation is within the IAP binding domain. You are trying to figure out whether you should treat this patient with a dr…
You discover a mutation that causes mice to develop cramps in their legs. A fema
You discover a mutation that causes mice to develop cramps in their legs. A female mouse of a true-breeding strain that develops cramps is mated with a male of a true-breeding non…
You discover a new alien species that uses a system very similar to our mitochon
You discover a new alien species that uses a system very similar to our mitochondrial electron transport chain in order to produce energy. In these aliens, cells have a membrane w…
You discover a new cell type that contains measurable amounts of silver ions (Ag
You discover a new cell type that contains measurable amounts of silver ions (Ag+) in it. You find that the concentration of Ag+ inside the cell is still 10 times lower than the c…
You discover a new compound that yeast requires for survival. To find genes invo
You discover a new compound that yeast requires for survival. To find genes involved in the synthesis of this compound (compound X) you have screened for mutants that cannot grow …
You discover a new cysteine protease similar to papain. Cysteine proteases are p
You discover a new cysteine protease similar to papain. Cysteine proteases are proteolytic enzymes that utilize a cysteine residue in the active site for the nucleophilic attack o…
You discover a new cysteine protease similar to papain. Cysteine proteases are p
You discover a new cysteine protease similar to papain. Cysteine proteases are proteolytic enzymes that utilize a cysteine residue in the active site for the nucleophilic attack o…
You discover a new dominant mutation that causes memory loss in middle aged adul
You discover a new dominant mutation that causes memory loss in middle aged adults. You identify a genetic variant on chromosome 4 that co-segregates with the disease within a fam…
You discover a new methanogenic (methane-producing bacteria species and want to
You discover a new methanogenic (methane-producing bacteria species and want to determine if it produces its ATP by substrate level phosphorylation or by electron transport/chemio…
You discover a new methanogenic (methane-producing) bacterial species and want t
You discover a new methanogenic (methane-producing) bacterial species and want to determine if it produces its ATP by substrate level phosphorylation or by electron transport/chem…
You discover a new methanogenic (methane-producing) bacterial species and want t
You discover a new methanogenic (methane-producing) bacterial species and want to determine if it produces its ATP by substrate level phosphorylation or by electron transport/chem…
You discover a new organism, but not know much about what this organism does. Yo
You discover a new organism, but not know much about what this organism does. You notice that a portion of it is structurally similar to a human heart. Briefly explain how this ob…
You discover a new phylum of animal and call it the Lagramphia, After doing some
You discover a new phylum of animal and call it the Lagramphia, After doing some research you find that on one of its chromosomes it has six Homeobox (Hox) genes in the following …
You discover a new population of ashy geckos on the Dry Tortugas that have emigr
You discover a new population of ashy geckos on the Dry Tortugas that have emigrated from southern Florida. You collect the following genetic data for the enzyme cytochrome oxidas…
You discover a new species of inhabiting a chain of islands. In one particular l
You discover a new species of inhabiting a chain of islands. In one particular location all of the lizards you find are functional males though your analysis of their chromosome…
You discover a population of cells with mutations in the actin-related proteins
You discover a population of cells with mutations in the actin-related proteins (ARPs) such that they are not functional. Which of the following would you expect to occur as a res…
You discover a single base deletion in region E of this DNA sequence. Regarding
You discover a single base deletion in region E of this DNA sequence. Regarding translation, this mutation will most likely: You discover a single base deletion in region E of thi…
You discover a species if beetles that lives exclusively on shrubs. You hypothes
You discover a species if beetles that lives exclusively on shrubs. You hypothesize that these two species are obligate mutualists. A) describe an experiment that you could perfor…
You discover a species of snail on a remote archipealago in the pacific ocean. S
You discover a species of snail on a remote archipealago in the pacific ocean. Surprisingly, some populations of this snail species have become asexual very recently. You also dis…
You discover fossils of the 50 million-year old ancestors of modern-day whales,
You discover fossils of the 50 million-year old ancestors of modern-day whales, which walked on land. Based on what you know about animal form and function, what would you expect …
You discover that the number of kernels per cob in a type of corn varies continu
You discover that the number of kernels per cob in a type of corn varies continuously in a wild population and appears to be controlled by equal and additive traits. You take true…
You discover that the protease cleaves polypeptides ONLY after lysine residues.
You discover that the protease cleaves polypeptides ONLY after lysine residues. What are the most likely physical characteristics of the protease specificity pocket? A pocket that…
You discover the following undated letter in a friend\'s attic. You are not sure
You discover the following undated letter in a friend's attic. You are not sure if it is the original or a copy. You do not have access to carbon 14 dating, nor are you an expert …
You discover two of the three zebrafish genes for yellow pigment production are
You discover two of the three zebrafish genes for yellow pigment production are expressed in your frog. You decide to look for mutations in these genes by amplifying each gene by …
You discovered a mouse gene with an unknown function. You do not know the locati
You discovered a mouse gene with an unknown function. You do not know the location or sequence of this gene in the mice genome, but a similar gene has been isolated and sequenced …
You discovered a natural protein toxin that kills cells by inhibiting the synthe
You discovered a natural protein toxin that kills cells by inhibiting the synthesis of membrane proteins. The toxin contains a stretch of 25 non-polar amino acids and a domain tha…
You discovered two Drosophila mutants that have identical mutant embryonic pheno
You discovered two Drosophila mutants that have identical mutant embryonic phenotypes and the affected genes have similar patterns of expression. One of the affected genes (gene A…
You dissolve 0.356 g of NaOH in 2.00 L of a buffer solution that originally had
You dissolve 0.356 g of NaOH in 2.00 L of a buffer solution that originally had [H2PO4-] = [HPO42-]= 0.132 M. Look up the Ka value in your text. a. What is the pH of the buffer so…
You do a screen for flower homeotic mutants in Arabidopsis and find many interes
You do a screen for flower homeotic mutants in Arabidopsis and find many interesting candidates. Based on the phenotypes of the mutants, determine whether the mutation is an A, B,…
You do a second mutant hunt to screen for histidine mutants and isolate 15 mutan
You do a second mutant hunt to screen for histidine mutants and isolate 15 mutants. You find that the his- phenotype is recessive in mutants 1-14, but dominant in mutant 15. You t…
You do not have an expert on board who can determine exactly how old the sedimen
You do not have an expert on board who can determine exactly how old the sediments are, so for now you can only say that they are not too terribly old because they are near the to…
You do not need to explain Which of the following is false concerning global war
You do not need to explain Which of the following is false concerning global warming? ________ transports water from the roots to the leaves. Which of the following statements con…
You do some research and find that a census of Ireland in the 1910s found 65 ind
You do some research and find that a census of Ireland in the 1910s found 65 individuals afflicted with cystic fibrosis out of 100,000 people. You want to investigate whether the …
You donate cells towards an Allogenic cell – based products. The product can tre
You donate cells towards an Allogenic cell – based products. The product can treat: Yourself Yourself and immediate your family only Yourself, your immediate family and your exten…
You drilled the site below and found the pattern of normal and reversed polarity
You drilled the site below and found the pattern of normal and reversed polarity based on paleomagnetic inclination. Using table 4 in Lisiecki and Raymo 2005, what are the ages of…
You dropped your 24-hour-old mannitol salt agar and MacConkey agar plates of Sta
You dropped your 24-hour-old mannitol salt agar and MacConkey agar plates of Staphylococcus aureus. How would you visually be able to tell the difference now? You dropped your 24-…
You encounter a population of Darwin’s finches, in which you record many finches
You encounter a population of Darwin’s finches, in which you record many finches with either very large or very small beaks, but very few have medium-sized beaks. You also found t…
You encounter an organism that is ectothermic and lives in a very cold aquatic e
You encounter an organism that is ectothermic and lives in a very cold aquatic environment. What would you predict about this organism? Assume comparisons are with organisms of a …
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