Muscarinic acetylcholine receptors are GPCRs that slow the rate of heart muscle contraction upon ligand binding/activation. Activation of this receptor leads to opening of potassium channels triggered by decreases in cAMP levels. The muscarinic acetylcholine receptor likely couples to:

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#Question id: 2419

#Unit 2. Cellular Organization

During treadmilling, actin subunits add:

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#Question id: 23785

#Unit 7. System Physiology – Animal

What happens when rod cells hyperpolarize? 

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#Question id: 23776

#Unit 7. System Physiology – Animal

What is the blind spot?

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#Question id: 77

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the pairs of molecular structures shown depict enantiomers (enantiomeric forms) of the same molecule?

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#Question id: 4730

#Unit 8. Inheritance Biology

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?