Biology and Genetics

1) You will receive a DNA sample labelled A, B, C, or D. Make a 50-fold dilution

1) You will receive a DNA sample labelled A, B, C, or D. Make a 50-fold dilution of your sample and measure the absorbance at 260 nm. Calculate the concentration of your sample. S…

1) You would expect to find Ran-GAP in the _________ and Ran GEF in the ________

1) You would expect to find Ran-GAP in the _________ and Ran GEF in the __________ A. cytoplasm, nucleus B. nucleus, cytoplasm C. cytoplasm, cytoplasm D. nucelus, nucleus 2)The fo…

1) You\'re in a research lab and have one sample of 50.55uM of 1% MgOH2 that mus

1) You're in a research lab and have one sample of 50.55uM of 1% MgOH2 that must be tested.Your assay kit gives a range of 3-15nmol. Review the following protocol and decide wheth…

1) You\'re in a research lab and have one sample of 50.55uM of 1% MgOH2 that mus

1) You're in a research lab and have one sample of 50.55uM of 1% MgOH2 that must be tested.Your assay kit gives a range of 3-15nmol. Review the following protocol and decide wheth…

1) Your friend who works in a research lab on campus is overwhelmed with project

1) Your friend who works in a research lab on campus is overwhelmed with projects and needs your help! Suit up and make the following stock solutions (water will be your diluent).…

1) Your lab manager needs you to make a 0.5 mg/mL Bovine Serum Albumin (BSA) in

1) Your lab manager needs you to make a 0.5 mg/mL Bovine Serum Albumin (BSA) in water for a Bradford Assay. At your bench, you have a 2 mg/mL BSA stock. Make 800 L of the desired …

1) Your lab partner made three 20 mL volumes of penicillin at the following conc

1) Your lab partner made three 20 mL volumes of penicillin at the following concentrations: 15 mg/mL, 18 mg/mL, and 45 mg/mL. Your lab protocol requires a large amount of 25 mg/mL…

1) Your lab partner made three 20 mL volumes of penicillin at the following conc

1) Your lab partner made three 20 mL volumes of penicillin at the following concentrations: 15 mg/mL, 18 mg/mL, and 45 mg/mL. Your lab protocol requires a large amount of 25 mg/mL…

1) Your laboratory studies the common mechanisms by which gastrulation movements

1) Your laboratory studies the common mechanisms by which gastrulation movements are initiated. For this reason, your laboratory uses both sea urchins and fruit flies as model org…

1) \"Biotrophic interfaces that are formed between plant roots and the fungus re

1) "Biotrophic interfaces that are formed between plant roots and the fungus result from recognition of exchanged cues"; "Nematodes perceive the enivronment through chemosensory p…

1) \"I eat iron for energy\", said the bacterium 2) methanogen domain ? ARCHAEA

1) "I eat iron for energy", said the bacterium 2) methanogen domain ? ARCHAEA 3) bacterial attachment appendage 4) "I can form one of these", Clostridium and Bacillus both said 5)…

1) ______ Hg. = Standard Atmospheric Pressure (the average atmospheric pressure,

1) ______ Hg. = Standard Atmospheric Pressure (the average atmospheric pressure, per square inch of the atmosphere around the surface (sea level) of the Earth). 2) The ________sta…

1) ___________ is a cultural movement of the late 20th century that embraces the

1) ___________ is a cultural movement of the late 20th century that embraces the philosophy that humans live in an age of personal freedom from imposed rules and social limitation…

1) ____is the marked differences between the sexes in secondary sexual character

1) ____is the marked differences between the sexes in secondary sexual characteristics 2)____ is a process by which one species evolves into several distinct species, as the origi…

1) a causal association between factor and outcome can refer to a) statistical i

1) a causal association between factor and outcome can refer to a) statistical independence b) secondary association c) indirect asosicaiton d) Drirection association e) both c &a…

1) a mutation occurs in which an AAA codon, which signifies lysine, into AGA whi

1) a mutation occurs in which an AAA codon, which signifies lysine, into AGA which signifies a chemically similar amino acid arginine. This is an example of a ____ mutation? a) co…

1) a woman and her spouse both show the normal phenotype for pigmentation, but b

1) a woman and her spouse both show the normal phenotype for pigmentation, but both had one parent who was an albino. the woman had one albino parent and one normal pigmentation p…

1) a woman and her spouse both show the normal phenotype for pigmentation, but b

1) a woman and her spouse both show the normal phenotype for pigmentation, but both had one parent who was an albino. the woman had one albino parent and one normal pigmentation p…

1) a) Allophane is naturally occurring, Si and Al rich amorphous (no long-range

1) a) Allophane is naturally occurring, Si and Al rich amorphous (no long-range order) material that forms from the chemical weathering of feldspars. Based on the definition of a …

1) a) Why would we use EcoRI AND PST1 to digest pUC18 instead of just one or the

1) a) Why would we use EcoRI AND PST1 to digest pUC18 instead of just one or the other? Also, why would using PvuI, XmnI or SspI be poor restriction enzymes to use for PCR subclon…

1) a) You\'re in a research lab and have one sample of 50.55uM of 1% MgOH2 that

1) a) You're in a research lab and have one sample of 50.55uM of 1% MgOH2 that must be tested.Your assay kit gives a range of 3-15nmol. Review the following protocol and decide wh…

1) a) You\'re in a research lab and have one sample of 50.55uM of 1% MgOH2 that

1) a) You're in a research lab and have one sample of 50.55uM of 1% MgOH2 that must be tested.Your assay kit gives a range of 3-15nmol. Review the following protocol and decide wh…

1) a)Rodents account for a great deal of mammalian species, And many are seed pr

1) a)Rodents account for a great deal of mammalian species, And many are seed predators. Based on their diet and the specialization of their bills, which group of birds may be con…

1) a. How many different types of cancer are there? a. cancer is a single diseas

1) a. How many different types of cancer are there? a. cancer is a single disease b. around 5. c. at least 100. d. at least 2000. -------------------------------------------- 1) b…

1) a. In a sample of mushrooms from a forest floor, three genotypes comprised of

1) a. In a sample of mushrooms from a forest floor, three genotypes comprised of two alleles (A and B) at one locus showed the following numbers in the population: fAA = 15 fAB = …

1) a.The results from a Northern blot of rat muscle RNA probed with human dystro

1) a.The results from a Northern blot of rat muscle RNA probed with human dystrophin DNA show two RNAs instead of the one seen in mice RNA. There are two hypotheses to explain thi…

1) an aquifer 2) disappearing streams 2) growing down from the 47. The percentag

1) an aquifer 2) disappearing streams 2) growing down from the 47. The percentage of pore spaces in a rock that can contain or hold water is called: 2) porosity 3) permeability 4)…

1) animals used absorbed chemical energy for? a. exported chemical energy, heat,

1) animals used absorbed chemical energy for? a. exported chemical energy, heat, and mechanical energry of external work b. heat only 2) attempts to explain the mechanistic basis …

1) calculate the change in allele frequency under the island-contiinent model fo

1) calculate the change in allele frequency under the island-contiinent model for gene flow under the following two conditions: m=0.5, PI=0.2, PC=0.9 m=0.5, PI=0.85, PC=0.9 what i…

1) chicken can have mutant phenotypes that resemble those found in wild birds. H

1) chicken can have mutant phenotypes that resemble those found in wild birds. Here are two phenotypes in chickens, emus and snowy owls What would happen if you did this cross Mal…

1) classify the characteristics below as being unique to prokaryotic cell, commo

1) classify the characteristics below as being unique to prokaryotic cell, common to both, or unique to eukaryotic cells. --contain DNA --DNA Contained in nucleoid region --relati…

1) describe how the greenhouse effect keeps the heart warmer that it would be if

1) describe how the greenhouse effect keeps the heart warmer that it would be if there was no atmosphere and include these components: the sun, light, heat, matter, electrons, Co2…

1) effort is TRUE Which of the following statements about static muscular Oa) As

1) effort is TRUE Which of the following statements about static muscular Oa) As static l oads increase, axygen consumption remains about the same because blood flow to your arm i…

1) explain how surface are to volume ratio affects protist and fungus function .

1) explain how surface are to volume ratio affects protist and fungus function . 2) what are the different types of metamorphosis and egg would they be an advantage to animals tha…

1) explain how you found it 2) what is the IUPAC name and trade name of the comp

1) explain how you found it 2) what is the IUPAC name and trade name of the compound ? 3) what are the biological activities of the compound? (Name at least two) For credit, list …

1) explain the significance of blast cells in the peripheral blood. 2)describe t

1) explain the significance of blast cells in the peripheral blood. 2)describe the effects of hypermetabolism in leukemia. 3) explain how chemotherapy aggravates the affects of le…

1) explain why orgigins of replication along a chromosome tend to start at sites

1) explain why orgigins of replication along a chromosome tend to start at sites with stretches of A and T nucleotides. 2) if nucleotides in a strand of DNA have single phosphate …

1) how do changes in allele frequencies over time differ between the two scenari

1) how do changes in allele frequencies over time differ between the two scenarios of selection with mutation vs. selection only? 2) how do changes in allele frequencies over time…

1) how does the timing and location of Arf1-GTP hydrolysis contribute the transp

1) how does the timing and location of Arf1-GTP hydrolysis contribute the transport of COPI coated vesicles? 2) Consider cargo proteins that are destined for secretion to the extr…

1) how many bacterial colonies SHOULD be found on the control petri dish? 0 20 2

1) how many bacterial colonies SHOULD be found on the control petri dish? 0 20 200 too many to count 2) Heterotrophs do not rely on other organisms for survival. True False 3) Man…

1) how many polypeptide chains does PFK-1 consist of? 2) is it a homodimer, hete

1) how many polypeptide chains does PFK-1 consist of? 2) is it a homodimer, heterodimer, homotrimer, heterotrimer, homotetramer or heterotetramer? and how did you come to this con…

1) how many polypeptide chains does PFK-1 consist of? 2) is it a homodimer, hete

1) how many polypeptide chains does PFK-1 consist of? 2) is it a homodimer, heterodimer, homotrimer, heterotrimer, homotetramer or heterotetramer? and how did you come to this con…

1) if a bacterium can double every 10 minutes, what is its growth rate? a) 4 b)

1) if a bacterium can double every 10 minutes, what is its growth rate? a) 4 b) 6 doublings/hour c) 32 doublings/hour d) 6 2) if a bacterium doubles every 15 minutes, what is its …

1) if onion cells are isotonic to 0.5% NaCl solution. What will be happened if t

1) if onion cells are isotonic to 0.5% NaCl solution. What will be happened if the onion cells are placed in a 0.3% and 0.8% NaCl solutions? 2) In "Chardakov method for water pote…

1) imagine a sex-linked dominant disease found on the x-chromosome of humans. if

1) imagine a sex-linked dominant disease found on the x-chromosome of humans. if the offspring of a certain mating pair have a 50% chance of receiving the disease, regardless of g…

1) in 1980, teh volcano Mt St. Hleen\'s erupted, killing all teh flora and fauna

1) in 1980, teh volcano Mt St. Hleen's erupted, killing all teh flora and fauna. slowly, the first hearty organisms begna to return , and now, 34 years later many of the original …

1) in a paternity suit, the child in question has blood type A and the mother is

1) in a paternity suit, the child in question has blood type A and the mother is type AB, which of the following couldn't possibly be the child's father?a father with type___ bloo…

1) in mammal\'s, the egg cell genome is unmethylated compared to the sperm cell

1) in mammal's, the egg cell genome is unmethylated compared to the sperm cell and both are unmethylated compared to a somatic cell. Which cell has the most number of active genes…

1) in mammal\'s, the egg cell genome is unmethylated compared to the sperm cell

1) in mammal's, the egg cell genome is unmethylated compared to the sperm cell and both are unmethylated compared to a somatic cell. Which cell has the most number of active genes…

1) in mammal\'s, the egg cell genome is unmethylated compared to the sperm cell

1) in mammal's, the egg cell genome is unmethylated compared to the sperm cell and both are unmethylated compared to a somatic cell. Which cell has the most number of active genes…