The concentration of potassium ions in the cell ( ) is the concentration outside the cell, while the concentration of sodium ions in the cell ( ) is the concentration outside the cell.
A: Greater than
B: Bigger than smaller than
C: Less than
D: Less than, greater than
A: Greater than
B: Bigger than smaller than
C: Less than
D: Less than, greater than
举一反三
- If the concentration of a solution outside a cell is less concentrated than inside the cell so that the cell gains water to its environment, the outside solution is said to be ____ to the cell contents. A: hypertonic B: in equilibrium C: isotonic D: hypotonic
- 下列程序的运行结果是（ ）。t = 0 while t < 5: print(t, " is less than 5") t = t + 1else: print(t, " is not less than 5") A: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 55 is not less than 5 B: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 55 is not less than 5 C: 0 is less than 51 is less than 52 is less than 53 is less than 54 is less than 5 D: 1 is less than 52 is less than 53 is less than 54 is less than 55 is less than 5
- It is_________trouble. It also costs. A: more than B: no less than C: no more than D: less than
- Early<br/>invasive squamous cell carcinoma of cervical is() A: Not<br/>cross the BM B: Microscopic<br/>invasion of stroma of less than 5mm in depth C: Microscopic<br/>invasion of stroma more than 5mm in depth D: Microscopic<br/>invasion of blood vessel E: Microscopic<br/>invasion of stroma of less than 7mm in depth
- Quantity of energy contained in the atmosphere is ______. A: smaller than that in coal alone B: smaller than that either in oil or in gas that we have on Earth C: greater than that in coal, oil and gas on Earth combined D: greater than that in coal, oil and gas on Earth, respectively