The antibiotic erythromycin, the immunosuppressive drug FK506, and the cholesterol-lowering drug lovastatin all belong to which class.

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#Question id: 6980

#Unit 5. Developmental Biology

Teeth form from

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#Question id: 12322

#Unit 10. Ecological Principles

Which of the following could qualify as a top-down control on a grassland community? 

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#Question id: 10903

#Unit 6. System Physiology – Plant

Materials translocated in the phloem, such as sucrose, amino acids, hormones and some inorganic ions. Some inorganic solutes that move in the phloem called mobile elements. In contrast, some are relatively immobile in the phloem.

A) Immobile elements

B) Mobile elements

i) potassium, magnesium, phosphate, and chloride

ii) caesium, zinc, magnesium and iron

iii) nitrate, calcium, sulfur, and iron

iv) potassium, calcium, cobalt and caesium

Which of the following are the correct match of mobile and immobile elements in the phloem?

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#Question id: 23167

#Unit 13. Methods in Biology

A secondary antibody can be generated by immunizing a goat with antibody which segment that is common to all rabbit IgG antibodies called goat anti-rabbit.

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#Question id: 28514

#Unit 5. Developmental Biology

During which condition further development of distal limb skeletal elements ceases?