A 24-year-old African-American man comes to the emergency room 3 hr after the onset of severe back and chest pain. These problems started while he was skiing. He lives in Los Angeles and had a previous episode of these symptoms 5 years ago while visiting Wyoming. He is in obvious pain. Laboratory studies show the following:

Hemoglobin                                        11 gm/dl

Leukocyte count                                 22,000/μl3

Reticulocyte count                              25%

What is the diagnosis of this patient?

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#Question id: 58

#SCPH01 Biochemistry

A covalent chemical bond is one in which ________.

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#Question id: 5332

#SCPH28 | Zoology

Which of the following are incorrect regarding Sex chromosome in human?

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#Question id: 789

#SCPH06 I Botany

Presence of large numbers of modified specially methylated nucleotides in tRNA contribute in

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#Question id: 10891

#SCPH06 I Botany

In a lake ecosystem with three trophic levels - Phytoplankton (P), Zooplankton (Z) and Carnivore (C) is control by bottom-up effects, which of the following observation is incorrect?

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#Question id: 23145

#SCPH06 I Botany

A chemical is said to be fluorescent if it absorbs light at one wavelength (excitation) and emits light (fluoresces) at a specific