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e coli strains containing the plasmid pamp are resistant to ampicillin describe how this plasmid functions to bring about
you have a 10x enzyme buffer that you are to use in a particular reaction the total volume of the reaction is 30 micro liters how much of the 10x
why did giraffes develop long necks1 describe an experiment to test this hypothesis be explicit about the methods you will use the setting the time
describe the appearance of a single e coli colony why can it be considered genetically
anton van leeuwenhoek was the first to propose placing microorganisms into the kingdom monera true or
can someone explain how is cancer related to ras and p53 genei know that the ras protein regulate cell growth and its mutation will cause cancer how
the y chromosome for males is less protective against hereditary diseases than the x chromosome why then are women considered the weaker
suppose many of the atoms of nitrogen in a double-stranded molecule of dna of isotope n-14 were replaced with the isotope n-15 what afffect would
if a lipid bilayer does not form in a test tube of phospholipids in a liquid solvent and instead the heads join together in a circular pattern the
a double-stranded piece of dna 100 base pairs in size is exposed to a high ph environment this causes all non-valent interactions to be disrupted
please on 3 separate paragrapha examine the contributions of select scientists from the greek and roman periodb explore the arab influence on the
-the expected phenotypic ratio of offspring-the expected genotypic ratio of offspring-calculate the expected values you would use on a chi-square
alkaline phosphatases use water as a second substrate why do we still treat their kinetics as if they were for a single-substrate
give an example of how the public perception of science has been distorted or manipulated to serve an alternative
two true-breeding pea plants were crossed one parent is round terminal and violet constricted while the other expresses the respective contrasting
in a neuron with a resting potential of -65 mv the distribution of which ion across the neuronal membrane represents the least potential
there has not been rain for several months a biologist is driving down the highway and notices that a large number of corn fields have corn that is
a haploid cross is made in which the mutant allele has gc at base position 200 in the dna of a certain gene and the wild type has at what proportion
answer the following eight questions a through h based upon a tripeptide sequence of the following amino acids one-letter codes are givens serine p
a wild-type strain of haploid yeast is crossed to a mutant haploid strain to make a diploid what phenotypic ratios will be observed in the haploid
in mountain rabbits the el-1 gene is located on chromosome 3 seven alleles of this gene have been identified in the population with respect to el-1
a plant grown from one of mendels yellow pea is selfed three progeny peas from this are obtained and they are all green is the original plant
if a plant of genotype aa is selfed and numerous offsprings are scored what proportion of the progeny is expected to have homozygous
e coli dna has a mw of about 27 x 109 daltons how many meters long is this molecule and what does this tell you about the state of the intracellular
an 22 year old man is admitted to the emergency department after an automobile accidenthe has not lost a large amount of blood but he suffers from a