cieancheleeselio cieancheleeselio
  • 23-11-2015
  • Biology
contestada

When does the cell have to use active transport?

Respuesta :

leo22
leo22 leo22
  • 23-11-2015
When it needs to move molecules across the membrane against a gradient.
Answer Link

Otras preguntas

What is your favorite theme from the Allegory of the Cave by Plato
UV is parallel to TW . Complete the proof that TU / ST = TW / SW .
what is management information system?
A canoe has a velocity of 0.300 m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.640 m/s east relative to the earth.Find the ma
HELPP ANSWER IF YOUR GOOD AT DOING GRAGHZZ MATH ​
Select the correct answer from each drop-down menu. How does Mandela develop his points throughout his speech? In paragraphs 1-3, Mandela mainly argues that ✓by
United Calculate the DA of all employee as 10% of their salary Calculate the TA of all employee as 15% of their salary. Calculate the HRA of all employee as 25%
Simplify if a=-5please help i cant
The perimeter of a rectangular garden is 144m.If the length of the garden is 14m more than its width, find the dimensions and the area.
Phân tích ý nghĩa của các cuộc cách mạng công nghiệp thời hiện đại đến kinh tế , xã hội, văn hóa. Em cần làm gì để thích ứng với các cuộc cách mạng đó?