Which cellular junction will be most useful in preventing the movement of material between cell membranes?

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#Question id: 2966

#Unit 2. Cellular Organization

Scientists isolate cells in various phases of the cell cycle. They isolate a group of cells that have 1 1/2 times more DNA than G1 phase cells. What is the most likely part of the cell cycle from which these cells were isolated?

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#Question id: 1937

#Unit 4. Cell Communication and Cell Signaling

Which of the following antibodies is of most use for the diagnosis of pernicious anemia?

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#Question id: 28985

#Unit 7. System Physiology – Animal

Norepinephrine is formed by which of the following process?

I- hydroxylation followed by decarboxylation of tyrosine

II- by conversion of dopamine in presence of dopamine β -hydroxylase enzyme

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#Question id: 4811

#Unit 8. Inheritance Biology

Three incompletely link gene as a B-A-C order. A cross allowed between AAbbcc X aaBBCC produce f1 progeny allowed test cross. Which of the following offspring is a result of double cross over?

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#Question id: 26422

#Unit 3. Fundamental Processes

Nonsense mutation arises due to base substitution causes electrophoretic mobility