In which manner Ras is different from Gα proteins?

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#Question id: 23848

#Unit 2. Cellular Organization

Smooth muscle contraction is regulated by 

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#Question id: 23849

#Unit 2. Cellular Organization

Which pathway regulates the contraction of vertebrate smooth muscle? 

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#Question id: 23850

#Unit 2. Cellular Organization

Match the following class of myosin (Column I)  with their function (Column II)

COLUMN I	COLUMN II
A. Myosin I	i. Organelle transport
B. Myosin II	ii. Contraction
C. Myosin V	iii. Membrane association, endocytosis

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#Question id: 23851

#Unit 13. Methods in Biology

DNA fragments from a gel are transferred to a nitrocellulose paper during the procedure called Southern blotting. What is the purpose of transferring the DNA from a gel to a nitrocellulose paper?

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#Question id: 23852

#Unit 13. Methods in Biology

RFLP analysis can be used to distinguish between alleles based on differences in which of the following?

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#Question id: 23853

#Unit 13. Methods in Biology

The segment of DNA shown in Figure, has restriction sites I and II, which create restriction fragments A, B, and C. Which of the gels produced by electrophoresis shown below best represents the separation and identity of these fragments?