Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 16478
TLS Online TPP Program

#Question id: 4961

An early consequence of the release of oxygen gas by plant and bacterial photosynthesis was to

#XL - S Microbiology

  1. make life on land difficult for aerobic organisms.

  2. change the atmosphere from oxidizing to reducing.

  3. make it easier to maintain reduced molecules

  4. cause iron in ocean water and terrestrial rocks to rust (oxidize).

More Questions
TLS Online TPP Program

#Question id: 15230

#XL - Q Biochemistry

Capillary electrophoresis (CE) can be considered as fusion of Electrophoresis with
TLS Online TPP Program

#Question id: 1601

#XL - S Microbiology

Cytotoxin T cells express
TLS Online TPP Program

#Question id: 3766

#XL - Q Biochemistry

Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight, and mutations to the DNA in their skin cells are left uncorrected. Why are the mutations not corrected in individuals with this disorder?
TLS Online TPP Program

#Question id: 18521

#XL - R Botany

Santalum album is having 
TLS Online TPP Program

#Question id: 416

#XL - Q Biochemistry

The immediate precursors of DNA and RNA synthesis in the cell all contain: