Generally speaking, deserts are located in places where air masses are usually

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#Question id: 2071

#Unit 2. Cellular Organization

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

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#Question id: 10136

#Unit 6. System Physiology – Plant

A protein complex contain a Rieske protein known as

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#Question id: 773

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following describes the function of an enzyme known as Dicer?

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#Question id: 4912

#Unit 8. Inheritance Biology

Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?

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#Question id: 12019

#Unit 10. Ecological Principles

Chickadees were given an opportunity to store seeds in 72 possible storage sites consisting of holes drilled in small trees that had been placed in an aviary. Typically, the seeds were placed in only 4 or 5 storage sites. The chickadees were then removed from the aviary, the seeds removed from the storage sites, and each hole covered. A day later, the chickadees were returned to the aviary and they spent nearly 5 times as long pulling at the covers on storage sites than at the covers on sites where they had not stored food. This experiment indicates that chickadees