Trace elements are those required by an organism in only minute quantities. Which of the following is a trace element that is required by humans and other vertebrates, but not by other organisms such as bacteria or plants?

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#Question id: 22964

#Unit 7. System Physiology – Animal

The receptor for PTH is coupled, via a 

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#Question id: 2526

#Unit 2. Cellular Organization

cell walls essential and are important features of plant cells that perform a number of essential functions. Which of the following is not the characteristics of cell wall?

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#Question id: 15328

#Unit 4. Cell Communication and Cell Signaling

Given some properties of B-cells, except?

a) They are APCs

b) Have surface marker CD19

c) Antibodies at surface of b cell – IgM, IgE

d) They can express only MHC1

e) Part of Innate immunity

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#Question id: 5040

#Unit 5. Developmental Biology

 The establishment of the anterior-posterior or dorsal-ventral body axes is called:

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#Question id: 10930

#Unit 7. System Physiology – Animal

A 34-year-old man with schizophrenia has had chronic fatigue for 6 months. He has a good appetite, but has refused to eat vegetables for 1 year because he hears voices saying that vegetables are poisoned. His physical and neurological examinations are normal. His hemoglobin level is 9.1 g/dL, leukocyte count is 10,000/μl3, and MCV is 122. Which of the following is the most likely diagnosis?