Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?

TLS Online TPP Program

#Question id: 4144

#Unit 3. Fundamental Processes

The Wobble Hypothesis suggests that:

TLS Online TPP Program

#Question id: 11687

#Unit 7. System Physiology – Animal

Spermatogenesis is regulated by a negative feedback control system in which follicle-stimulating hormone (FSH) stimulates the steps in sperm cell formation. What is the negative feedback signal associated with sperm cell production that inhibits pituitary formation of FSH?

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#Question id: 629

#Unit 1. Molecules and their Interaction Relevant to Biology

In the presence of a fixed concentration of a competitive inhibitor, which of the following would best characterize an enzyme-catalyzed reaction when the concentration of the substrate is increased?

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#Question id: 19985

#Unit 2. Cellular Organization

Part of genome which changes expression of genome called as 

TLS Online TPP Program

#Question id: 3713

#Unit 3. Fundamental Processes

At the normal rate of replication, about how many minutes does it take for the entire E. coli chromosome (4.6 × 10^3 kbp) to be duplicated?