What is the T-cell ligand binding B7 on a professional antigen-presenting cell?

TLS Online TPP Program

#Question id: 14858

#SCPH06 I Botany

Given two events A and B and P(A) = 1/4, P(B/A) = 1/2, P(A/B) = 1/4. Which of the following is true?

TLS Online TPP Program

#Question id: 7012

#SCPH01 Biochemistry

The differentiated cells divide but maintain their differentiated functions. The new cells do not come from stem cells, nor do they come from the dedifferentiation of the adult cells. Each cell produces cells similar to itself; no mass of undifferentiated tissue forms. This type of regeneration is:

TLS Online TPP Program

#Question id: 2978

#SCPH06 I Botany

The most important regulatory control that restricts cyclins to the appropriate cell cycle stage is ubiquitin mediated, proteasome-dependent protein degradation. Which of the following statement is incorrect regarding to the degradation of protein?

TLS Online TPP Program

#Question id: 4732

#SCPH28 | Zoology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

TLS Online TPP Program

#Question id: 355

#SCPH01 Biochemistry

Measurements show that the pH of a particular lake is 4.0. What is the hydroxide ion concentration of the lake?