Practice Questions

TLS Online TPP Program

#Question id: 12576

Estimates of current rates of extinction

#Unit 10. Ecological Principles

Indicate that we have reached a state of stable equilibrium in which speciation and extinction rates are approximately equal.
Suggest that one-half of all animal and plant species may be gone by the year 2100.
Indicate that rates may be greater than the mass extinctions at the close of the Cretaceous period.
Indicate that only 1% of all of the species that have ever lived on Earth are still alive.

More Questions

TLS Online TPP Program

#Question id: 2610

#Unit 2. Cellular Organization

Binding of RNA polymerase over promoter synthesizes

TLS Online TPP Program

#Question id: 2611

#Unit 2. Cellular Organization

Indicator of cell growth,

TLS Online TPP Program

#Question id: 2612

#Unit 2. Cellular Organization

Which statement is correct regarding regulation of trp operon;

TLS Online TPP Program

#Question id: 2613

#Unit 2. Cellular Organization

If increasing the number of trp codon,

TLS Online TPP Program

#Question id: 2614

#Unit 2. Cellular Organization

Effects in synthesis, if replaces trp codons with different amino acids;

His concentration low	Run/ On
Ala concentration High	Off

TLS Online TPP Program

#Question id: 2615

#Unit 2. Cellular Organization

What are the effects shown in trp operon if we fused regulatory region of lac with structural genes of trp; which one is incorrect,