BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Thermophiles are prokaryotes that live in water that is almost boiling. How must they be different from other organisms?
A
Their flagella beat in a fanning motion.
B
heir genetic material is RNA instead of DNA.
C
Their proteins do not denature at high temperatures.
D
They are able to maintain a cooler internal temperature
Explanation: 

Detailed explanation-1: -Chemical stability: thermophilic organisms are able to grow at high temperature due to the chemical stability of their membrane lipids (Koga 2012).

Detailed explanation-2: -Species that can specifically withstand extreme heat are called Thermophiles. Most thermophiles live at temperatures between 60 and 80 ° C (140 to 176 ° F). Thermophiles are capable of growing, carrying out metabolic processes, and reproducing at these extreme temperatures.

Detailed explanation-3: -Thermophilic proteins have several adaptations that give the protein the ability to retain structure and function in extremes of temperature. Some of the most prominent are increased number of large hydrophobic residues, disulfide bonds, and ionic interactions.

Detailed explanation-4: -Thermophilic organisms possess special enzymes and proteins that are thermally stable. These thermally stable enzymes and proteins differ in their amino acid sequence in the critical regions, which allow these enzymes or proteins to fold in such a way that they remain protected even at high temperatures.

There is 1 question to complete.