You investigated the cytoskeleton and found that all three elements, including the one you suspected, are completely normal. You then decide to look at the motor proteins to see if the cause might lie with one of them
Which of the following would be your hypothesis?
A. The melanophores in these tadpoles have
partially or non-functional kinesin that would
normally transport organelles along
microtubules to the center of the cell.
B. The melanophores in these tadpoles have
partially or non-functional kinesin that would
normally transport organelles along
microfilaments to the center of the cell.
C. The melanophores in these tadpoles have
partially or non-functional dynein that would
normally transport organelles along
microtubules to the center of the cell.
D. The melanophores in these tadpoles have
partially or non-functional dynein that would
normally transport organelles along
microfilaments to the center of the cell.
E. The melanophores in these tadpoles have
partially or non-functional myosin that would
normally transport organelles along
microfilaments to the center of the cell.
C
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Prime the correct tubing and filter with normal Saline
Indicate whether the statement is true or false.
Cystic fibrosis (CF) is an autosomal recessive disorder caused by faulty chloride ion channels in cells lining of the lungs and the pancreas. A man and woman, with no CF symptoms, have an unaffected boy and a daughter with CF. The gene responsible for CF is located on:
a. The X-chromosome b. The Y-chromosome c. One of the human chromosomes 1=12
Which of the following occurs when the cAMP-CAP complex binds the CAP site near the lac promoter?
A. Transcription rate decreases. B. Transcription rate increases. C. RNA polymerase binds to the promoter. D. RNA polymerase binds to the promoter and transcription rate decreases. E. RNA polymerase binds to the promoter and transcription rate increases.
When the blood becomes acidic, the kidneys ____
a. produce extra bicarbonate b. reabsorb H+
c. secrete carbon dioxide d. produce water e. remove blood buffers