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a sample of yeast cells was serially diluted 110 five times then serially diluted 13 the number of yeasts was338 yeasts per ml what was the original
you are interested in plant life history evolution you come across a population of the california poppy that i spolymorphic mixed for both
high salt concentrations can be toxic to plants as they have the potential to disrupt essential cell functions yet many halophytes sequester high
halophytes are plants that live in moist soils with high salt concentrations despite being surrounded my water halophytes are often referred to as
how many different types of gametes can be formed by individuals of the following genotypes what are they in each case a aabb b aabb c aabbcc d
describe three mechanisms cells use to produce diversity of ion channel structure and
during gym class sally noticed that her friend melissa always ran faster than her sally knew that they exercised equally so she wondered what could
you observe the following numbers of individuals of each genotype in a populationaa 700aa 200aa 100a what are the observed genotype frequencies in
the following progeny genotypes were observed 73 aabb 64 aabb 279 aabb 303 aabbusing a chi-square test test whether these two loci show independent
in tomatoes two alleles of one locus determine the character difference of purple versus green stems alleles are p and p with p being completely
hydrogen bonds are important for all of the following excepta allowing carbohydrates to dissolve in waterb stabilizing the three-dimensional shape of
a protein is normally found completely within the inside of a lipid bilayer the protein likely hasa mostly hydrophobic side chains pointed outwards
if a spectrophotometer can read accurately within the range of 01-10 optical density units then how can you obtain the absorbance of a stationary
which of the following are features of allosteric inhibition during the infection there are many different environments that p multocida will
i need a list of equipment necessary to complete it as well as a method to isolate the cell parts how much protein is in the red blood cell as well
give an example of each of the following types of proteinsa enzymeb structural proteinc motor
what do enzymes do to a reaction indicate all that are correcta lower the activation energyb reverse the equilibriumc lower the equilibriumd increase
you have two enzymes 1 and 2 both convert substance a into substance b 1 is inhibited by b because b partially blocks the active site and will not
each of the properties that follow is characteristic of the carbon atom in each case indicate how the property contributes to the role of the carbon
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