Which of the following is not a protein or group of proteins required for conjugation to occur?

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#Question id: 10551

#6. System Physiology – Plant

plants possess a second type of immunity mediated by a set of highly specific intracellular receptors known as nucleotide binding site–leucine rich repeat (NBS–LRR) receptors. How NBS–LRRs become activated,

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#Question id: 663

#1. Molecules and their Interaction Relevant to Biology

________ is a technique used to analyze the macromolecular structure of proteins in solution.

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#Question id: 12750

#13. Methods in Biology

Bacterial culture was treated with SDS and NAOH then centrifuged, supernatant was decanted and treated with potassium acetate and centrifuged to get a pellet. What is the composition of the pellet?

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#Question id: 11127

#7. System Physiology – Animal

As the receptor potential rises higher above threshold, which of the following best characterizes the new frequency of action potentials?

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#Question id: 16118

#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?