Which proteins are responsible for the unwinding of the double-stranded DNA during replication?

TLS Online TPP Program

#Question id: 19097

#Unit 4. Cell Communication and Cell Signaling

Erwinia is a pathogen that deploy__

a) Attacking Initial biotrophic phase and extensive plant tissue damage at later stages or even death

b) Intimate intracellular contact with plant cells and minimal plant cell damage

c) Releases pectic enzyme that dissolve the cell wall

TLS Online TPP Program

#Question id: 34145

#Unit 7. System Physiology – Animal

I. The short arm of human chromosome 17 contains the growth hormone-hCS cluster.

II. Growth hormone increases circulating IGF-I, which in turn exerts a direct inhibitory action on growth hormone secretion from the pituitary.

III. Growth hormone secretion is decreased in persons deprived of rapid eye movement (REM) sleep.

IV. Growth hormone secretion is induced by thyroid hormones & inhibited, by cortisol.

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#Question id: 3878

#Unit 3. Fundamental Processes

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

TLS Online TPP Program

#Question id: 3655

#Unit 3. Fundamental Processes

The mismatched base is removed from the daughter strand of DNA by:

TLS Online TPP Program

#Question id: 3281

#Unit 11. Evolution and Behavior

One population X has 750 AA, 0 Aa, and 250 aa; the other Y has 500 AA, 500 Aa, and 0 aa. After one generation of random mating, the genotype frequencies X and Y respectively if the population size remains 1,000.