Which type of electrons are excited in SEM when intense electron beam is applied over sample?

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#Question id: 28343

#Unit 5. Developmental Biology

select the correct gene of maternal effect gene of drosophila which equivalence to EGF family and EGF receptor.

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#Question id: 24591

#Unit 2. Cellular Organization

The rate of loss of single-stranded (ss) DNA during renaturation is a

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#Question id: 12513

#Unit 7. System Physiology – Animal

A 26-year-old construction worker is brought to the emergency room with a change in mental status after working a 10-hour shift on a hot summer day (average outside temperature was 97°F). The man had been sweating profusely during the day but did not drink fluids. He has a fever of 102°F, heart rate of 140 beats/min, and blood pressure of 100/55 mm Hg in the supine position. On examination, he has no perspiration, appears to have dry mucous membranes, and is poorly oriented to person, place, and time. Assuming that his kidneys were normal yesterday, which of the following sets of hormone levels describes his condition, compared with normal?

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#Question id: 5116

#Unit 5. Developmental Biology

Which of the following reflects Weismann’s model of development?

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#Question id: 588

#Unit 1. Molecules and their Interaction Relevant to Biology

The initial velocity of an enzyme reaction (v0) describes