helicases are loaded in___I___, when CDK activity is__II____? 

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#Question id: 2469

#Unit 2. Cellular Organization

Lamellipodia are located:

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#Question id: 12387

#Unit 7. System Physiology – Animal

An elderly patient complains of muscle weakness and lethargy. A urine specimen reveals a Na+ concentration of 600 mmol/L and an osmolarity of 1200 mOsm/L. Additional laboratory tests provide the following information: plasma Na+ concentration = 167 mmol/L, plasma renin activity = 4 ng angiotensin I/ml/hr (normal = 1), plasma antidiuretic hormone (ADH) = 60 pg/ml (normal = 3 pg/ml), and plasma aldosterone = 15 ng/dL (normal = 6 ng/dL). Which of the following is the most likely reason for this patient’s hypernatremia?

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#Question id: 8892

#Unit 9. Diversity of Life Forms

Which of the following correctly characterizes the phylum Rotifera?

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#Question id: 12728

#Unit 13. Methods in Biology

Name the type of RNA which folds up to give a cloverleaf secondary structure.

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#Question id: 2139

#Unit 2. Cellular Organization

A process not involving the fusion of two membranes or two regions of the same membrane is: