It’s called ether when the alkyl groups connected to either side of the oxygen atom in an ether are different.

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#Question id: 9172

#SCPH06 I Botany

Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of ________.

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#Question id: 2076

#I Life Science/ Life Sciences Group – I-V

An organism with a cell wall would most likely be unable to take in materials through:

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#Question id: 14828

#I Life Science/ Life Sciences Group – I-V

Pili are usually longer than fimbriae and number only one or two per cell. Pili are involved in motility and DNA transfer. The type of motility, called 

1. Extrusion

2. Somersaulting

3. Twitching motility 

4. Gliding motility

Which combination from the following is correct?

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#Question id: 352

#SCPH28 | Zoology

One mole (mol) of glucose (molecular mass = 180 daltons) is ________.

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#Question id: 4731

#SCPH01 Biochemistry

A pure-breeding strain of squash that produced disk-shaped fruits was crossed with a pure breeding strain having long fruits. The F1 had disk fruits, but the F2 showed a new phenotype, sphere, and was composed of the following proportions

Disk  384            

Sphere 96

 Long  32

What is reason for F2 phenotype?