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TLS Online TPP Program

#Question id: 2070

The sodium-potassium pump is called an electrogenic pump because it:

#XL - S Microbiology

  1. pumps equal quantities of Na+ and K+ across the membrane in opposite directions

  2. is used to drive the transport of glucose against a concentration gradient

  3. decreases the voltage difference across the membrane

  4. generates voltage across the membrane

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TLS Online TPP Program

#Question id: 27579

#XL - U Food Technology

Arachidonic acid, linolenic acid and linoleic acid contains:
TLS Online TPP Program

#Question id: 12344

#XL - T Zoology

The concept of punctuated equilibrium refers to
TLS Online TPP Program

#Question id: 19515

#XL - P Chemistry

Which of the following claims about electrochemical cells is true?
TLS Online TPP Program

#Question id: 11410

#XL - R Botany

Biodiversity hot spots, those areas with the greatest number of endemic species. Which of the following criteria to qualify as a hot spot region?

A. It must contain at least 1,500 species of vascular plants as endemics

B. It must have lost at least 70% of its original habitat

C. It must contain at least 500 species of bird species

D- It must contain high numbers of species
TLS Online TPP Program

#Question id: 685

#XL - Q Biochemistry

A protein has a molecular weight of 5600 daltons; its subunits are about 1960 daltons. There are ________ protein chains per oligomer.