In beta turns which amino acid is not allowed at i and i+3 position?

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#Question id: 13211

#Unit 6. System Physiology – Plant

The upward movement of water and solute against gravitational force from root to aerial parts of the plant through xylem is called

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#Question id: 31066

#Unit 2. Cellular Organization

G1 CDKs activate members of a small family of related transcription factors, referred to collectively as: 

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#Question id: 12205

#Unit 7. System Physiology – Animal

Before the preovulatory surge in luteinizing hormone, granulosa cells of the follicle secrete which of the following?

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#Question id: 26914

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;

a.some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins

b.Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point

c.Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold

d.Sodium, potassium or urea function as anti freezing in their blood

e.Glycine causes supercooling in plants

Which of the following statements about supercooling/anti freezing is correct?

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#Question id: 28495

#Unit 5. Developmental Biology

The thickening of the ectoderm at the apex of the developing limb bud that is called___