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The early theory of spontaneous generation and describe one experiment which supported the theory.
In mice, there are viruses which are known to cause cancer. You have a pure preparation of virus DNA, a pure preparation of DNA from the chromosomes of mouse cancer cells and pure DNA from chromosom
Replication, transcription, and translation are all terms employed to explain DNA, RNA and protein synthesis. It can be confusing trying to memorize such definitions as the words are similar, so her
What kind of amino acid side chains would you expect to find out folded on the interior of a globular protein? What type of experimental evidence supports this claim?
Two normal parents have three children, one a normal girl, one a normal boy and the other boy with hemophilia. If the affected son marries a girl whose father as well had hemophilia, what are the ov
Is it possible a child was switched at birth if the child's blood type is not Couple 1's theirs; they think a switch must have occurred? Couple 1 (the plaintiffs) have AB+ and 0+ blood, and their so
A male who has an allele for the HD (Huntington's disease) mates with a woman who is phenotypically normal. What proportion of their children will carry the trait (meaning have it although not show
Give and explain three categories of evidence which are primarily used in support of the Darwin's evolutionary theories.
Describe the method that DNA replicates by. Why is it so significant that it is carried out in this matter? In describing the actual process, refer to the possible choices that the scientist conside
Explain how does evolutionary biologist describe why there are two different ways of handling the pyruvate produced from glycolysis? Be sure to relate your answer to the nature of the Earth 3.5 bill
I know that you would do a Co-immunoprecipitation (CO-IP) as you can look for what else is bound to our protein of interest. CO-IP shows what things your protein would be in complex with while in th
The discovery of the structure of the DNA molecule was a tumultuous method. Describe the impact that political or social influence or monetary gains can encompass on the progress of science.
Explain how are proteins targeted to various compartments with in a eukaryotic cell? Please give a detailed illustration of how a protein is targeted to a specific organelle.
Compute the minimum number of amino acids essential for one segment of alpha-helix to traverse the membrane completely.
1) Locate the chromosomal map position of the BRCA1 gene and recognize the genes situated nearby. 2) Obtain the exon or intron structure of the BRCA1 gene.
We now understand that mutations which cause the inhibition of apoptosis are found in the tumors. As proliferation itself is not induced by the inhibition of apoptosis, describe how this inhibition
Write down a one-page paper, which assess President Obama's position on stem cell research as set forth in your research. In your paper, explain what concerns the President is attempting to address
Differentiate between the tonic and phasic receptors? Which kind is likely to be a fast-adapting receptor? Which kind is likely to be a slow-adapting receptor?
Describe how the lac operon is turned off in the absence of lactose. Describe the state of the lac operon when bacteria are in media by both glucose and lactose.
In brief describe the difference between stabilizing selection, directional selection, and disruptive selection. Explain why are layers of sedimentary rocks particularly helpful for geochronology?
Try to think of original analogies for other organelles or cell structures like Golgi, lysosomes, the cell wall, cell membrane, endoplasmic reticulum, ribosome, nucleus and so forth. Comprise where
Could cell, tissue, or genetic engineering permit humans to use chloroplasts this way? Explain 1 or 2 factors which would require to be considered for chloroplasts to function in an animal or a huma
Molecular biologists want to break up the cells and extract the DNA from the nucleus where most of the cell's DNA is situated. We will use the strawberries to isolate the DNA.
Extracellular matrix simply fills the gaps between the cells in connective tissues. Describe this statement in the light of present knowledge of extracellular matrix.
The small size in living cells can best be attributed to which of the given factors: a) The small size of most molecules. b) The large number of cells which are necessary to form an organism.