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what problem would most likely to occur if a haploid cell attempted to perform meiosisathe cell could not replicate its dna prior to meiosisbthe cell
which of the following represents two things that are identicalatwo alleles for the same gene in a homologous chromosome pairbthe sequences of dna in
if a diploid sperm fertilized a haploid egg what would the result beahaploid nbdiploid 2nca mixture of diploid 2n and haploid ndtriploid
which statement below about asexual reproduction is falseawith asexual reproduction offspring are genetically identical to the parentbasexual
how would you prepare 90 ml of 01 m potassium dichromate dissolved in water molecular mass of potassium dichromate is 294
for each of the following stages state the number of nuclear dna molecules in one of your cells ie 2346 or and its ploidy ien 2n or1 prophase of
platinum color in foxes is produced by heterozygous genotype ss and silver foxes are the genotype ss the genotype ss is lethal and the fox dies in
two parents who are each known to be carriers of an autosomal recessive allele have four children none of the children has the recessive
in an experiment it was necessary that you determine the concentration of dsdna by using a spectrophotometer you used 6 microliters of your purified
which of the following properties of dsdna is imprtant for dna purificationa hydrophilicb positively charged phosphate backbonec can only bind to
you are interested in using formic acid pka 375 as a buffer for your biochemical experimenta would it be most useful for creating a buffered
the protein collagen has a high proportion 20 or more ofa asparagine and glutamineb proline and hydroxyprolinec glycined both a and be both a and cf
which of the following statements is correcta hemoglobin binds o2 cooperatively while myoglobin does notb myoglobin binds o2 cooperatively while
which of the following statements is correcta hemoglobin binds o2 more tightly at ph 72 than at ph 74b fetal hemoglobin under physiological
the km for an enzymea is equal to kcat measured at low substrate concentrationb is the substrate concentration that gives a velocity that is half the
start with a cell with chromosome number 2n6 and having two acrocentric pairs and one metacentric pair of chromosomes draw the cell in metaphase i
how many g of glucose will be required to make 750 ml of a 05 wv solution please show all
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