cieancheleeselio cieancheleeselio

23-11-2015
Biology

contestada

When does the cell have to use active transport?

Respuesta :

23-11-2015

When it needs to move molecules across the membrane against a gradient.

Answer Link

Otras preguntas

What influence did frankenstein have on popular culture and science? ( the i'm referring to is Mary shelly's novel Frankenstein.

What is homeostasis?

Tiger Trade has the following cash transactions for the period. Accounts Amounts Cash received from sale of products to customers $ 35,000 Cash re

Enrique and Levi together have 386 trading cards. If Enrique has 221 trading cards, how many does Levi have? Write and solve an addition equation to find how ma

help me plzzzz, trigonometry!! I'll give brainliest!!! ... i dont know what I'm doing, dont mind my x and y handwritten stuff

Given the quadratic expression, find the value of C to complete the square. Then write the expression as a binomial squared.x^2-18x+C

Bryant used 42 centimeters of tape to wrap 7 presents. How many presents did Bryant wrap if he used 48 centimeters of tape? Assume the relationship is directly

Please help me in math. Write an equation of the parabola shown.

Fabiola slept on an air mattress in Chantel's room

Which amendment would not be added during the period of time after the Civil War?