A bag contains 3 black and 5 white balls. One ball is drawn from the bag. What is the probability that the ball is not black ?

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#Question id: 21812

#Unit 12. Applied Biology

Which one of the following sensors measures torque?

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#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.

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#Question id: 15609

#Unit 12. Applied Biology

Most bacteria, some protozoans  and even archaea use poly-β-hydroxybutyrate, a polymerized form of β-PHB, as 

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#Question id: 16121

#Unit 7. System Physiology – Animal

 Match the following mechanisms (Column I) with their correct example (Column II).

Column I	Column II
A. Heat-generating and heat-retaining mechanisms	i. increased metabolic rate (thyroid hormones, sympathetic nervous system)
B. Heat-dissipating mechanisms	ii. vasodilation of blood vessels of the skin (decreased sympathetic tone)
	iii. increased activity of sympathetic cholinergic fibers to sweat glands.
	iv. shivering
	v. vasoconstriction of blood vessels of the skin (increased sympathetic tone)

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#Question id: 19351

#Unit 12. Applied Biology

Different organisms may preferentially use different codons to encode the same amino acid in the cases of such amino acids that are encoded by more than one codon this is called