TLS Online TPP Program

#Id: 4960

#Unit 6. System Physiology – Plant

Phytochrome responses fall into three major categories based on the amount of light required; very-low-fluence responses (VLFRs), low-fluence responses (LFRs), and high-irradiance responses (HIRs).

TLS Online TPP Program

#Id: 6039

#Unit 10. Ecological Principles

Diversity within species 

450-700 (mycoplasma)

4000 in bacteria (eg. Escherichia coli)

13,000 in Fruit-fly (Drosophila melanogaster)

32,000 – 50,000 in rice (Oryza sativa)

35,000 to 45,000 in human beings (Homo sapiens sapiens). 

TLS Online TPP Program

#Id: 6726

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 7293

#Unit 6. System Physiology – Plant

Operation of the C4 cycle requires the cooperative effort of both cell types. No mesophyll cell of a C4 plant is more than two or three cells away from the nearest bundle sheath cell.

TLS Online TPP Program

#Id: 9031

#Unit 6. System Physiology – Plant

Stromal pH and Mg2+ concentration complement the ferredoxin– thioredoxin system and are important for the activation and maximum catalysis of enzymes such as Rubisco, fructose‐1,6‐ bisphosphatase, sedoheptulose‐1,7‐bisphosphatase, and PRK.