The adult stem cell is housed in and controlled by its own adult stem cell niche. Which one of the following process not occur in niche?

TLS Online TPP Program

#Question id: 198

#Unit 1. Molecules and their Interaction Relevant to Biology

NAD and NADP dependent dehydrogenases catalyze substrates by transferring ________ to  C-4 of NAD+ and NADP+.

TLS Online TPP Program

#Question id: 24518

#Unit 10. Ecological Principles

Some nonnative parasites are introduced deliberately for the biological control of pests, which of the following are necessary attributes of a good agent of biological control?

a. low rate of increase relative to the host’s

b. Good dispersal ability

c. High searching capacity for hosts

d. Minimal time lag effects

e. Maximal time lag effect

f. General adaptability to the environment

TLS Online TPP Program

#Question id: 13187

#Unit 10. Ecological Principles

The following figure is a model of seedling establishment as a function of distance from a parent tree. Initial seed density measures the number of seeds falling to the ground. Seed survivorship measures the proportion of seeds that survive to the adult stage at each distance

Which of the following factors is most likely to generate the seed density curve shown? 

TLS Online TPP Program

#Question id: 33517

#Unit 2. Cellular Organization

If an average length of E. coli peptide is 300 amino acid. How many genes are approximately there in E. coli genome?

TLS Online TPP Program

#Question id: 2681

#Unit 2. Cellular Organization

Which of the following is not a character of unique Intergenic DNA?