Among the following which bacteria shows corkscrew movement?

1. Treponema pallidum

2. Leptospira

3. Borrelia burgdorferi

4. Brachyspira pilosicoli

Which among the following combination is correct?

TLS Online TPP Program

#Question id: 120

#Section 2: General Biology

Non-steroidal anti-inflammatory drugs (NSAIDS) like aspirin and ibuprofen act by blocking production of:

TLS Online TPP Program

#Question id: 121

#Section 2: General Biology

Which of the following molecule is derived from sterols.

TLS Online TPP Program

#Question id: 122

#Section 2: General Biology

An unknown lipid is treated with a mixture of phospholipases A1, A2, C and D. Since no glycerol is formed after this treatment, the lipid is most likely

TLS Online TPP Program

#Question id: 123

#Section 2: General Biology

Which would you expect for the fatty acyl chains of the membrane phospholipids of bacteria grown at low temperature?

TLS Online TPP Program

#Question id: 124

#Section 2: General Biology

What is the role of cholesterol in animal cell membranes?

TLS Online TPP Program

#Question id: 125

#Section 2: General Biology

Regions on cell membranes called lipid rafts form because