The nuclear genome of mammals is 40% G+C and the dinucleotide CG is fivefold less common than statistically expected.

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#Id: 5536

#Unit 7. System Physiology – Animal

The thin segment of the ascending limb has a much lower reabsorptive capacity than does the thick segment.

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#Id: 2058

#Unit 8. Inheritance Biology

Quantitative character- large number of possible phenotypes that are not easily distinguished

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#Id: 4948

#Unit 6. System Physiology – Plant

Phytochrome B (PhyB) is probably the photoreceptor involved in shade detection and avoidance. This response allows many species to greatly increase their stem extension rate when they become shaded by competitors.

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#Id: 1877

#Unit 10. Ecological Principles

K1>K2/β  and K1/α<K2- Either species 1 or species 2 goes extinct, depending on the initial densities.

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#Id: 1258

#Unit 7. System Physiology – Animal

The receptor for ADH on vascular smooth muscle V1 receptor, which is coupled via a Galpha q protein.