Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, which develop from similar embryonic tissues. These structural similarities are an example of ________.

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#Question id: 11784

#Unit 7. System Physiology – Animal

Which of the following hormones is both synthesized and stored in the pituitary gland?

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#Question id: 3058

#Unit 2. Cellular Organization

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample

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#Question id: 32714

#Unit 1. Molecules and their Interaction Relevant to Biology

The existence of an enzyme-substrate complex can be experimentally demonstrated by

a. X-ray crystallography

b. ESR

c. NMR

d. Fluorimetery

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#Question id: 14476

#Unit 13. Methods in Biology

A bag contains 6 white balls, 9 black balls. The probability of drawing a black ball is

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#Question id: 3951

#Unit 3. Fundamental Processes

Which cytoplasmic fibrils are most like the nuclear lamins?