Which is not true of transposable elements?

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#Question id: 28645

#Unit 2. Cellular Organization

Which of the activity ensuring that replication from each origin occurs only once during each cell cycle?

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#Question id: 14822

#Unit 2. Cellular Organization

Which of the following pertains to Borrelia burgdorferi?

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#Question id: 16118

#Unit 7. System Physiology – Animal

Following statements are regarding to the heat production by the activation of sympathetic nervous system.

A. Activation is stimulation of β receptors in brown fat, which increases metabolic rate and heat production.

B. Activation is stimulation of α2 receptors in brown fat, which increases metabolic rate and heat production.

C. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasoconstriction. Vasoconstriction reduces blood flow to the surface of the skin.

D. Stimulation of α1 receptors in vascular smooth muscle of skin blood vessels, producing vasodilation. Vasodilation reduces blood flow to the surface of the skin.

Which of the following combination is correct?

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#Question id: 9273

#Unit 6. System Physiology – Plant

In the higher excited state, chlorophyll is extremely unstable; it rapidly gives up some of its energy to the surroundings as heat, and enters the lowest excited state, the excited chlorophyll has four alternative pathways for disposing of its available energy: fluorescence, Heat loss, energy transfer, photochemistry; all process takes place in which wavelength,

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#Question id: 12140

#Unit 10. Ecological Principles

In some animal species, social organization involves the establishment of a system of ordered social rank instead of the occupancy of territories. Such a system of ordered social rank is referred to as a __________.