Two organisms, with genotypes BbDD and BBDd, are mated. Assuming independent assortment of the B/b and D/d genes, determine the genotypic ratios in offspring that would occur.

TLS Online TPP Program

#Question id: 15337

#Unit 4. Cell Communication and Cell Signaling

HSCs express which type of cell-surface molecule, which is the receptor for stem cell factor (SCF). It is a cytokine that exists in both membrane-bound and soluble forms and the SCF-surface molecules interaction is critical for the development, in adult animals, of multipotential progenitor cells (MPPs).  Which type of surface molecules HSCs express?

TLS Online TPP Program

#Question id: 2063

#Unit 2. Cellular Organization

In what way do the membranes of a eukaryotic cell vary?

TLS Online TPP Program

#Question id: 29503

#Unit 6. System Physiology – Plant

Trichomes of nettles (Urtica dioica) have “cocktail” of secondary metabolites that can cause severe irritation of the skin of animals which are

a. Tartaric acid

b. Serotonin

c. Oxalic acid

d. Formic acid

Which of the following combination secondary metabolites is true

TLS Online TPP Program

#Question id: 15607

#Unit 12. Applied Biology

In gene transformation over high expression can be achieved by expressing the gene 

1. Inducible promoter

2. Constitutive  promoter

3. Terminator sequence

4. Increasing copy no. of gene

Which of the following are correct

TLS Online TPP Program

#Question id: 1428

#Unit 4. Cell Communication and Cell Signaling

Which of the fundamental properties of cancer cells are likely to be lacking in leukemias?