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Question: Histones are proteins found in the nucleus tightly bound to DNA, which has many phosphate groups. The pl of histones is very high, about 10.8. What amino acid residues must be present in relatively large numbers in histones? In what way do these residues contribute to the strong binding of histones to DNA?
Explain why does a single capillary have a high resistance to the flow of blood and a capillary network of circulation have a low resistance?
Suppose that the breeder selects plants that mature in 69 days for the next generation. Approximation the time required for the next generation to mature. What kind of infection do you believe she has in this hand.
The external environment is open directly to the peritoneal cavity of the abdomen and pelvis. This is one source of pelvic inflammatory disease.
Suppose that a typical stomach pH of 2.0, how many times more concentrated are the hydrogen ions inside your stomach than in milk?
What are the Gram reactions of Clostridium and Bacillus. Unfortunately I have to submit this question which is part of my interactive computer assignment shortly that's why such a short notice. Today is a cut off day and I want to submit my assignmen..
Write down an equation for the complete oxidation of glucose. What does this imply about the volume changes you would view if you simply sealed the pea seeds in a flask.
Import or export of solutes (chemiosmotic work) turning the flagellar motor (mechanical work) Synthesizing ATP via the F0F1 ATPase (chemical work; discussed next lecture) how is this energy generated or replenished.
Discuss what determines the shape of fungal spores that are ejected into the air? Develop an hypothesis and suggest an experiment
A respiratory patient is experiencing trouble breathing and is given supplemental air with the following mixture: 53 percent O2, 2 percent CO2, and 45% N2 at a total pressure of 800 mm Hg.
Explain the experiments, their expected results, and your conclusions. You may suppose that you have an unlimited budget and an Institutional Review Board with very strict guidelines for research in humans.
The prothalli are bisexual, free-living and photosynthetic. At maturity, the prothallus is flat and heart-shaped. Inspect the lower surface for rhizoids, antheridia and archegonia. What is the function of each of these structures.
The interaction between bases on different strands of DNA molecules depends somewhat on the identities of neighboring bases. For example, the melting temperature of an oligonucleotide
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