Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?

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#Question id: 19842

#Unit 13. Methods in Biology

Primer-Dimer leads to the formation of ___

a) Inter-complemetary primers

b) Hybrid 

c) Amplicons

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#Question id: 19844

#Unit 13. Methods in Biology

Match the following column, which correctly represent the qPCR done by three methods and measure such as;

COLUMN I	COLUMN II
A) SYBR green	i) Annealing
B) Taqman Assay	ii) Denaturation
C) Molecular beacon	iii) pH
	iv) Amplification
	v) Extension

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#Question id: 19845

#Unit 13. Methods in Biology

SYBR Green qPCR method is based on____I_______ with the _____II______ relationship.

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#Question id: 19846

#Unit 13. Methods in Biology

Variants of PCR has been developed on the basis of___

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#Question id: 19865

#Unit 13. Methods in Biology

Match the following activity of variants in Column I with their variants of PCR in Column II given below;

COLUMN I	COLUMN II
A) Enhance efficiency	i) Multiplex PCR
B) Sequence specific amplification	ii) Hot-start PCR
C) Mutational analysis	iii) Megaprimer PCR
	iv) qPCR with SYBR
	v) AS-PCR
	vi) RLM-RACE

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#Question id: 19866

#Unit 13. Methods in Biology

Which of the following variants of PCR has been devised to increase the specificity of PCR without lowering the efficiency by variation annealing temperature?