Match the following junctions (Column I) with their functions (Column II).

Column I	Column II
a. adherens junctions	i. Controlling solute flow, signaling
b. gap junctions	ii. Shape, rigidity, signaling
c. tight junctions	iii. Shape, tension, signaling, force transmission
d. hemidesmosomes	iv. Communication, small-molecule transport between cells

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#Question id: 5074

#Unit 5. Developmental Biology

The "mid-blastula transition" is the point in development when:

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#Question id: 7310

#Unit 5. Developmental Biology

Which statement best describes the mechanism for circadian rhythm?

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#Question id: 23323

#Unit 1. Molecules and their Interaction Relevant to Biology

In correlation design of Ex Post Facto Research, we study

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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: 12337

#Unit 10. Ecological Principles

Which of the following levels of organization is arranged in the correct sequence from most to least inclusive?