TLS Online TPP Program

#Question id: 18891


Which of the following microscope are not used for microscopy?

#Unit 13. Methods in Biology
  1. Optical
  2. Ultrasonic
  3. Electron
  4. Scanning probe
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TLS Online TPP Program

#Question id: 28984

#Unit 7. System Physiology – Animal

DOPA decarboxylase synthesized dopamine, which is transported into the vesicle for further synthesis by____

TLS Online TPP Program

#Question id: 11249

#Unit 10. Ecological Principles

Choose the density-dependent factor that will slow population growth as population size increases.

TLS Online TPP Program

#Question id: 2990

#Unit 2. Cellular Organization

Mitotic CDK complexes are maintained in an inactive state through inhibitory phosphorylation of the CDK subunit. Two highly conserved tyrosine and threonine residues in mammalian CDKs are subject to regulated phosphorylation.

Gene

  Mutant phenotypes

A. Wee1

i. the cell does not divide but continues to grow

B. CAK kinase

ii. mitotic cyclins are inactivated

C. cdc25 phosphatase

iii. premature entry into mitosis

The following table enlists genes and phenotypes observed on mutation of these genes but not correctly matched. Which one of the following combinations is correctly matched ?

TLS Online TPP Program

#Question id: 27038

#Unit 10. Ecological Principles

Antipredator Adaptations for defense, eg of cryptic coloration is___

TLS Online TPP Program

#Question id: 12100

#Unit 10. Ecological Principles

Prairie dogs once covered the expanses of the Great Plains. Their grazing made the grass more nutritious for the huge herds of bison, and a variety of snakes, raptors, and mammals   preyed on the rodents. In fact, the black- footed ferret (now endangered) specialized in prairie dog predation. Today, growing housing and agricultural developments have covered many prairie dog towns. Which of the following statements about prairie dogs is true?