A male patient had a myocardial infarction at age 55. He is now 63 years old. Standard limb lead I is shown here.

What is his current diagnosis?

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#Question id: 18701

#Unit 13. Methods in Biology

PCR (polymerase chain reaction) is an excellent method of generating copies of target DNA. If a single piece of double stranded DNA (dsDNA) is put into a PCR machine, how many dsDNA segments will there be after 3 rounds?

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#Question id: 4784

#Unit 8. Inheritance Biology

The following is the biochemical pathway for purple pigment production in flowers of sweet pea Recessive mutation of either gene A or B leads to the formation of white flowers. A cross is made between two parents with the genotype: AaBb x aabb. Considering that the two genes are not linked, the phenotypes of the expected progenies are

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#Question id: 18719

#Unit 13. Methods in Biology

Which vectors are mostly used for creating genomic libraries?

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#Question id: 18608

#Unit 13. Methods in Biology

In an experiment, A 5kb DNA undergoes PCR using primer, after electrophoresis instead getting a 5kb band, two set of PCR band are found of 5kb and 3kb, this is due to

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#Question id: 30104

#Unit 1. Molecules and their Interaction Relevant to Biology

A nucleoside phosphorylase:

1. cleaves a nucleoside with the production of ribose 1-phosphate.

2. is necessary for the major salvage pathway for pyrimidines.

3. is used in the degradation of purine nucleotides.

4. is responsible for the equilibration of nucleoside monophosphates and nucleoside diphosphate.