In a stream running at 2 km/h, a motorboat goes 5 km upstream and back again to the starting point in 1 h 20 min. Find the speed of te motor boat in still water.

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#Question id: 23772

#Unit 7. System Physiology – Animal

Match the letters of the following descriptions with the appropriate circle,

a. Photopic vision

b. Have low acuity or resolution

c. Scotopic vision

d. Participate in color vision

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#Question id: 5470

#Unit 8. Inheritance Biology

Numerous pure breeding crosses are made between two inbred plant strains, one having a mean height at maturity of 96 cm and the other as 56 cm. The height of the F1 progeny at maturity averages close to 76 cm. Height of plant control by four pair of polygene. The F2 progeny show the following phenotype.

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#Question id: 24232

#Unit 4. Cell Communication and Cell Signaling

Desmocollins and desmogleins that form desmosomes are

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#Question id: 1940

#Unit 4. Cell Communication and Cell Signaling

The high concordance rate for monozygotic vs dizygotic twins in type 1 diabetes indicates:

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#Question id: 3722

#Unit 3. Fundamental Processes

The RNA primer at the beginning of each Okazaki fragment is removed by