A tight junction is made up of which of the following proteins?

a. tricellulin                                                     b. occludin

c. claudin                                                         d. connexins

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#Question id: 19700

#Unit 13. Methods in Biology

Different leads are used to record ECG of humans, these leads can be either bipolar or unipolar. Which one of the following is NOT unipolar leads?

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#Question id: 800

#Unit 1. Molecules and their Interaction Relevant to Biology

Following table lists the two major forms of DNA duplexes, conformation of base attached to the sugar and the nature of major and minor grooves.

DNA duplex	Properties
(A)  A form	(i) Syn conformation of the base to sugar
(B)  B form	(ii) Anti conformation of the base to sugar
	(iii) Wide major groove
	(iv) Narrow major groove
	(v) Wide minor groove
	(vi) Narrow minor groove
	(vii) C-3’ endo sugar puckering
	(viii) C-2’ endo sugar puckering

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#Question id: 28850

#Unit 2. Cellular Organization

Kinesin-13 bind and curve the end of the tubulin protofilaments into which conformation?

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#Question id: 23655

#Unit 13. Methods in Biology

To discover whether a species has a gene that is similar but not identical to the cDNA of another species, one can

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#Question id: 12686

#Unit 13. Methods in Biology

The two polynucleotide chains in DNA are usually found in the shape of_____