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Motor proteins use the energy in ATP to transport organelles, rearrange elemts of cytoskeleton during cell migration, and move chromosomes during cell division. Which of the following mechanisms is sufficient to ensure the unidirectional movement of a motor protein along its substrate? a. a conformational change is couple to the release of a phosphate(Pi) b. the substrate on which the motor moves has a conformational polarity c. a conformational change is coupled to the binding of ADP d. a conformational cange is linked to ATP hydrolysis.
Question: Assume you are working at a corporation that makes poly(ethylene terepthalate) in a batch-type processing. This process requires 2.7kg of ethylene glycol reacted with 9.6kg of terepthalic acid to make the polymer.
Hospital patients often become infected with resistant bacteria that are rarely found outside of the hospital environment. How can you explain this observation?
A mammal uses only 1 to 2 percent of its energy in ventilation while a fish must spend about 15 percent of its energy to move water over its gills. Describe this huge difference in their efforts to collect oxygen.
What is the best way to administer chemotherapy? Single agent or combination chemotherapy? Explain how signature sequences are used in bacterial identifications.
How can DNA be extracted and analyzed from burnt bones or well preserved bones using PCR, STR, and amplification of mitochondrial mtDNA?
calculate the final dilution factor.
What is the most possible explanation for how these proteins find their way to the mitochondria. What is the good range for a heartbeat stroke work in an anaesthetised sheep? Before and after the venous administration of adrenaline.
Consider a specific codon in the genetic code that normally codes for an amino acid. Change the wobble position nucleotide to a different purine and the result is a stop codon.
Roger Crocket, a sixty-eight year-old man with a 40-pack-year smoking history and recent complaints of angina upon exercising, collapsed while mowing his lawn.
Explain how DNA is responsible for protein structure, both in prokaryotes and eukaryotes. provide your answer.
Think about an enveloped virus fusing with the plasma membrane. If fusion can not be triggered by low pH because the plasma membrane is neutral,
Discuss the molecular mechanisms on how a photoreceptor relays a signal to the bipolar cells describe receptive fields in the retina and how they are relayed to the brain.
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