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TLS Online TPP Program

#Question id: 2208

Which of the following statements is a reasonable explanation for why unsaturated fatty acids help keep a membrane more fluid at lower temperatures?

#XL - Q Biochemistry

  1. The double bonds form kinks in the fatty acid tails, preventing adjacent lipids from packing tightly.

  2. Unsaturated fatty acids have a higher cholesterol content, which prevents adjacent lipids from packing tightly.

  3. Unsaturated fatty acids are more nonpolar than saturated fatty acids.

  4. The double bonds block interaction among the hydrophilic head groups of the lipids.

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TLS Online TPP Program

#Question id: 16487

#XL - R Botany

Few limitations regarding organ culture 
It can be maintained only for a few months
Not suitable for biochemical and molecular analyses
For each study, fresh organ cultures have to be initiated
It denatures very easily
Which of the above statements are correct? 
TLS Online TPP Program

#Question id: 3782

#XL - Q Biochemistry

In his work with pneumonia-causing bacteria and mice, Griffith found that
TLS Online TPP Program

#Question id: 20233

#XL - P Chemistry

In O-2  , O2 ,  O2-2  molecular species the total number of antibonding electrons respectively are
TLS Online TPP Program

#Question id: 28142

#XL - U Food Technology

Most commonly processed juice is
TLS Online TPP Program

#Question id: 10387

#XL - R Botany

Action spectrum stimulated phototropism in oat coleoptiles. The “three finger” pattern in the 400–500 nm region is characteristic of-