Practice Questions

TLS Online TPP Program

#Question id: 11672

The loop of Henle dips into the renal cortex. This is an important feature of osmoregulation in terrestrial vertebrates because ________

#Unit 7. System Physiology – Animal

absorptive processes taking place in the loop of Henle are hormonally regulated
differential permeabilities of ascending and descending limbs of the loop of Henle are important in establishing an osmotic gradient
the loop of Henle plays an important role in detoxification
additional filtration takes place along the loop of Henle

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TLS Online TPP Program

#Question id: 6963

#Unit 5. Developmental Biology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?

TLS Online TPP Program

#Question id: 23175

#Unit 13. Methods in Biology

If we use a high-intensity light on to the fluorochrome there will initially be

TLS Online TPP Program

#Question id: 32277

#Unit 2. Cellular Organization

Protein translocators mediate protein movement across mitochondrial membranes, except;

TLS Online TPP Program

#Question id: 4033

#Unit 3. Fundamental Processes

Which of the following statements is false regarding the sigma-factor?

A. It does not have a DNA-binding domain.

B. Interaction with the core enzyme unmasks the DNA-binding region.

C. Subregions 2.4 and 4.4 are involved in promoter recognition.

D. It can also bind to the nontemplate strand.

TLS Online TPP Program

#Question id: 23730

#Unit 8. Inheritance Biology

The susceptibility exceeds a threshold value, the characteristic is expressed is,