Below are relative concentrations of various molecules and ions outside relative to inside of the cells....
Below are relative concentrations of various molecules and ions outside relative to inside of the cells. Answer the following questions regarding these molecules and transport across the plasma membrane.
Concentration outside relative to inside:
Ca2+ = high
Amino acid = low
Glucose = low
K+ = low
Cl- = high
Which of the molecules/ions would require energy to move from the inside to the Outside?
A. Amino acid, Glucose, and K+
B. Cl-
C. Cl-,K+ and Ca2+
D. Cl-and Ca2+
E. Glucose and K+
What is the likely source of energy for the transport of the molecules/ions given above?
A. Na+ gradient
B. Ca2+ gradient
C. K+ gradient
D. Cl- gradient
E. Glucose
i think the answers are D for the first question & A for the second but I am not sure!
Homework Answers
1. A (ions like potassium ions, amino acids and glucose need some energy to transport through active transport)
2. A (Na + gradient is correct option )
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