When exposed to excess light, leaves must dissipate the surplus absorbed light energy to prevent damage to the photosynthetic apparatus. There are several routes for energy dissipation that involve,

TLS Online TPP Program

#Question id: 2070

#Unit 2. Cellular Organization

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

TLS Online TPP Program

#Question id: 2071

#Unit 2. Cellular Organization

Diffusion of ions across membranes through specific ion channels is driven by:

TLS Online TPP Program

#Question id: 2072

#Unit 2. Cellular Organization

Which of the following structures would decrease the electrochemical gradient across a membrane?

TLS Online TPP Program

#Question id: 2075

#Unit 2. Cellular Organization

The force driving simple diffusion is:

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#Question id: 2076

#Unit 2. Cellular Organization

An organism with a cell wall would most likely be unable to take in materials through:

TLS Online TPP Program

#Question id: 2077

#Unit 2. Cellular Organization

In receptor-mediated endocytosis, receptor molecules initially project to the outside of the cell. Where do they end up after endocytosis?