Mammalian sperm will migrate against the direction of the flow—using CatSper calcium channels (like sea urchin sperm) to sense calcium influx and monitor the direction of the current, this process is known as:

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#Question id: 24656

#Unit 2. Cellular Organization

What is the “signature sequence” that is highly conserved in all K+ channels?

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#Question id: 5617

#Unit 5. Developmental Biology

In sea urchins and mammals, the rise in Ca2+ concentration responsible for the cortical granule reaction is due to

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#Question id: 27676

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is untrue about SCOP?\

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#Question id: 12307

#Unit 7. System Physiology – Animal

If a person has a kidney transport maximum for glucose of 350 mg/min, a GFR of 100 ml/min, a plasma glucose of 150 mg/dL, a urine flow rate of 2 ml/min, and no detectable glucose in the urine, what would be the approximate rate of glucose reabsorption, assuming normal kidneys?

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#Question id: 11669

#Unit 7. System Physiology – Animal

Within a normally functioning kidney, red blood cells can be found in ________.