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Question: In a paragraph or two, summarize the structural organization of DNA. In your answer, be certain that you identify the chemical components of the molecule, and the arrangement of the molecule (it's spatial properties).
Question: The genome of an organism is typically DNA that is many times the diameter of a cell. Using correct terminology, list and briefly describe four levels of packing of DNA into chromosomes.
Compare and contrast signaling by neurons which secret neurotransmitters at synapses to signaling carried out by endocrine cells, that secretes hormones into the blood, define the relative advantage of the two mechanisms.
Waxy endosperm, shrunken endosperm, and yellow seedling are encoded by three recessive genes in corn that are linked on chromosome 5. Find the the genetic distance between Wx and V
Water at room temperature is placed in flask connected through rubber tubing to a vacuum pump and the pump is turned on.
A particular species of mouse feeds on the seeds of a single species of cherry tree. When the mice eat a seed, they digest it completely.
Discuss and explain the role of antidiuretic hormone and aldosterone in the maintenance of blood pressure. Fairly detailed please.
State the key products of the Kreb's Cycle and how various of each there are starting from 1 glucose molecule.
What is the circumference of their spherical world if they see the similar star on their meridian at altitudes of 23 degrees and 47 degrees respectively, and at the exact same time.
Determine the possible DNA sequences that produced the four amino acids in the molecules
Suppose if insulin were treated with mercaptoethanol to break its disulfide bonds, and then the mecaptoethanol were removed so that disulfide bonds could reform,
however normal E.coli cells can synthesize all the amino acids, some mutants called amino acid auxotrophs, are unable to synthesize specific amino acids and require the addition of that amino acid to the culture medium for optimal growth.
What trends would they have noticed in Earth's terrestrial vegetation over this period.
Without oxygen, cellular respiration grinds to a standstill, although glycolysis can continue to make some ATP anaerobically for a short time. While oxygen runs out, why does electron transport stop? Why do you thing the Krebs cycle stops.
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