Two cards are drawn with replacement from a well shuffled deck of 52 cards. The mean and standard deviation for the number of aces are

Probability distribution table

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#Question id: 24458

#Unit 7. System Physiology – Animal

Which of the following is not correctly paired?

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#Question id: 10919

#Unit 6. System Physiology – Plant

Both of these observations—________X__________and________Y__________—support the existence of mass flow in the sieve elements of the phloem.

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#Question id: 27486

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the is true regarding D-Mannose,  D-Glucose, and D-Galactose

1. D-Mannose are epimer with D-Glucose, at C2

2. D-Glucose, are epimer with D-Galactose at C4

3. D-Mannose are epimer with D-Galactose at C4

4. D-Galactose are epimer with D-Mannose at C2

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#Question id: 28624

#Unit 2. Cellular Organization

Ubiquitin protein-ligases APC/CCdc20  performs various functions such as  

a) Degradation of geminin

b) Degradation of securin

c) Induce degradation of B-type cyclin

d) Allows chromosomal separation

Which of the following is incorrect about APC/CCdc20

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#Question id: 8927

#Unit 9. Diversity of Life Forms

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that