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What occurs with the plasma membrane so that frozen temperatures hurts a cell? I know crystals form and the cell bursts but WHAT actually occurs so that this happens
Predict the products of the following protease digestionsby trypsin or chymotrypsin, Polylysine can adopt an alpha-helical conformation, butonly under certain buffer conditions
Discuss the limitations upon cell size imparted by unfavorable changes in the surface area to volume (SA/V) ratioas cells have become larger in evolutionary time. How does the presence of a compar
What other mechanisms would cause the differences in coleoptile length between light and dark grown seedlings, Speculate why stoma in the lower epidermis loss less water than those in the upper epider
Explain the difference between allopatricand sympatric speciation gene flow, reproductive isolation, genetic mutation, allele frequencies, and subpopulation. Finally, give a detailed example of how e
The molecular weight of a compound is the sum of the atomic mass of its atoms. Compound X has a molecular weight of 522 daltons and is known to consist of equal numbers of C, O, and H atoms
Consider a diploid organism with 3 pairsof chromosomes (A, B and C from the mother and A', B'and C' from the father), What proportion of gametes would only have maternal chromosomes
List a possible sequence of events and describe the energy transformations that take place between the sun's light hitting the earth and the light reaching you from an electric light bulb
When using a normal polyacrlamide gel or native gel the distance that a protein travels through the gel is not neccessarily proportional to the molecular weight of the protein
What is an allele, What is the krebs cycle and where does it take place and what does it do, Give an overview of Evolution, Give an overview of mitosis
If a Primary Structure of a protein contained charged areas and hypdrophobic areas, describe how that protein would fold and a hydrophic amino acid was substituted for a charged amino acid
Given that protein requirement is 0.8 g / kg body weight, and assuming that your caloric requirement is 30 kcal / kg body weight calculate the macronutrient content of your ideal diet
A 2 kbp (1 kilo base pairs =1,000 bp) DNA fragment is to be amplified by PCR from the genome of nematode C.elegans, what fraction of the total DNA does the target sequence constitute
The broad bean is diploid and 2n= 18. Each haploid chromosome setcontains approximately 4 m of DNA. the average size of each chromosome during metaphase of mitosis is 13 µm.
A hippopopulation has a locus with 2 alleles, one fast swimmer and the other slow swimmer, If the population is in Hardy-Weinbergequilibrium, what is the frequency of the heterozygous genotypein the p
The slug population has 2 alleles: slime1 (very slimy) and slime 2 (barely slimy), Calculate the actual population's genotype frequencies, Is the population in Hardy-Weinberg equilibrium
Define Tm. Under which of the following conditions will the Tm behighest, What are the mechanisms by which each of these factors influences Tm
Define Tm. Under which of the following conditions will the Tm behighest, What are the mechanisms by which each of these factorsinfluences Tm
A large population of lizards have 396 red-sides individuals and557 tan-sided individuals. Red is homozygous recessive condition, the allelic frequencies, the expected phenotypic frequencies
How would you compare/contrast the definitions of hypothesis and theory between science and the general public
What is the mechanism when hydrogen peroxide and horseradishperoxidase react together, What is the resulting product, And when that reacts with DNA
Consider two parents. One parent does not have the insertion in either of version of her chromosome 16. What ingredients did this PCR master mix have to contain to allow the successful amplification
The difference between all the bonds, What exactly does a peptide bond do and what does a hydrogen bond do
A new plant species B forms by autopolyploidy from species A, which has a chromosome number of 2n=10. How many chromosomeswould species B have
The smooth muscle walls of the ductus deferens are capableof peristalsis, Detection of uterine cancer is accomplished bya Pap smear, THe ovaries are held in place byfat capsules, Urine and sperm are a