One species mates at the season when daylight is increasing from 13 hours to 13 hours, 15 minutes; another species mates at the season when daylight is increasing from 14 hours to 14 hours, 15 minutes. The isolating mechanism is

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#Question id: 3294

#Unit 11. Evolution and Behavior

Which one of these processes describes bottleneck effect?

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#Question id: 1287

#Unit 4. Cell Communication and Cell Signaling

Biological roles of proteoglycans and hyaluronan include all of the following, except:

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#Question id: 29506

#Unit 6. System Physiology – Plant

The active principle in foxglove (Digitalis sp.) is cardinolide digitoxin  is a

a. cardiac glycoside 

b. that activate ATPase activity 

c. that inhibits ATPase activity 

d. can increase myocardial contraction

Which of the following is not true regarding digitoxin

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#Question id: 808

#Unit 1. Molecules and their Interaction Relevant to Biology

Which, if any, of the following statements is false?

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#Question id: 12740

#Unit 13. Methods in Biology

Choose the incorrect statement for Agglutination.