The formation of the fertilization envelope requires an increase in the cytosolic concentration of ________.

#Question id: 20024

#SCPH01 Biochemistry

#Question id: 10931

#SCPH28 | Zoology

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?

#Question id: 5698

#SCPH06 I Botany

A mechanism that can cause a gene to move from one linkage group to another is

#Question id: 3659

#SCPH01 Biochemistry

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:

#Question id: 752

#SCPH01 Biochemistry

The A260/A280 ratio of a double-stranded DNA sample can be used to assess its purity. The value for the pure DNA is ----------------