Athletes are often told to eat starch before a strenuous athletic event
What monomer can be released from starch after hydrolysis, and what is it used for? Because cellulose (fiber) is made of the same type of monomer as starch, why aren't athletes told to eat fiber before an event?
When starch is broken down, glucose is released. This glucose can be used during cellular respiration to produce energy (ATP) for the cells. Cellulose, like starch, is also composed of glucose monomers; however, we lack the enzymes necessary to perform hydrolysis on cellulose. Therefore, the cells cannot use glucose to produce ATP.
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If you count 73 plaques on a bacterial plate after you had plated 0.1 ml of a 10–4 dilution of phage, what was the initial concentration of the (undiluted) phage?
What will be an ideal response?
Translation occurs at the ________ in the cell
Fill in the blank(s) with correct word
What part of the cell produces the body's major energy source in the form of adenosine triphosphate (ATP)?
A) Nucleus B) Mitochondria C) Golgi complex D) Endoplasmic reticulum
Why are type IV hypersensitivities called delayed hypersensitivity reactions?
A) Type IV reactions manifest slowly over 12-72 hours after the stimulating antigen is encountered. B) Although type IV reactions can cause skin lesions, watery eyes, and a runny nose, treatment for those symptoms needs to be delayed due to the rapid drop in blood pressure which soon follows and needs to be dealt with first. C) Drugs to counteract type IV reactions are large and slow to be absorbed by the affected cells causing the patient to tolerate a lengthy symptomatic phase before recovery is complete. D) Type IV reactions only occur in underdeveloped countries and medical attention often needs to be delayed until the patient can be brought to a hospital. E) Type IV reactions affect nerve cells and cause nerve impulses to slow resulting in visibly slower movements from the patient.