Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Solved Assignments
Asked Questions
Answered Questions
Finally if our least efficient cell required increasing its feeding efficiency to match the most efficient cell what is one way it might do it? Oh - that's without really changing its volume. Be spe
During early development, a snake embryo was exposed to a toxin which interferes with normal migration and differentiation of mesoderm. Name the main structures of the integument most influenced by
Explain why could gene arrangement be detrimental to lymphocyte survival however indispensable for host integrity?
1) Most of the cells are very small. What physical and metabolic constraints limit cell size? 2) What problems would a huge cell encounter?
If two cells are 0.1um apart could they be visualized as two separate cells by a light microscope? Explain why? Why does light of a shorter wavelength raise the resolution of a microscope?
Describe the impact of mutation on somatic cells versus germ cells. Which type of mutation influences the individual and which type of mutation influences the population? Explain why?
Provide three specific illustrations of a property which was enhanced by mutation of the DsRed. These must be three different kinds of improvements and for each illustration you must refer to a diff
Bacteria are prokaryotes. Knowing this, what can you state about the relative sizes of prokaryotes and eukaryotes?
Explain and elucidate how muscle contraction works at the molecular level: Explain how do actin and myosin interact in the sarcomere to bring about muscle contraction? What roles do ATP and calcium pl
The drug taxol, extracted from the bark of yew trees, consists of the opposite effect of the drug colchicine, an alkaloid from autumn crocus.
What is the probability that an individual haploid resultant from the meiotic division will encompass a complete parental set of centromeres (that is, a set all from one parent or all from the other
We have seen how your cells are associated to those of your parents. Explain how are your cells associated to all other humans?
You started life as a single cell; keep in mind Virchow's statement that all the cells come from pre-existing cells. Where did your original Cell come from?
A woman is known to be carrying a rigorous recessive autosomal gene. This is possible to find out whether a cell or polar body is carrying the normal or disorder recessive. The detection method dest
Describe the significance of the different positions of the chromosomes at these phases of mitosis and meiosis, and what does this signify for the kind of progeny cells that result?
Given a plant species A with a diploid number of 10 and a plant species B with a diploid number 0f 18, I explain how new polyploid species C could occur in a single generation from hybridization bet
If microtubules are stabilized what will be the result on the cell shape? On the organization of the Golgi and on mitosis?
I have been doing this problem several times now and I can't figure out how to do it. I am so confused. Can you as well describe the number of chromosomes you get from mitosis?
Explain the changes in clarity and viscosity of a nuclear suspension which takes place on the addition of Sodium Dodecyl Sulfate (SDS)? Why do they change take place?
While employing a compound microscope, you observe a cell which is undergoing mitosis. You see double stranded chromosomes and a partial nuclear membrane. What stage is this cell in?
Would you expect cancer to occur more frequently in types of cells which divide frequently (like skin cells), or in types of cells which divide seldom or not at all (such as nerve cells)? Describe y
If I were to make a cancer drug, at what phase of the cell cycle would the drug be most beneficial? Explain why? How is spending millions of dollars on cancer research to make drugs which target the
If homologous pair separates the normal throughout Meiosis I however do not separate during the anaphase of Meiosis II, what does the end product of that cell division look like? Sketch the end prod
If you think the RNA pill wouldn't work, can you suggest a reasonable hypothesis for the Planaria results? Explain how would you test your hypothesis?
Explain how are binary fission and mitosis dissimilar? Explain how are they similar?