isala0904 isala0904

11-02-2017
Biology

contestada

Which statement about the cell membrane is true?
It contains cellulose and sugars that are involved in communication.
It is present in animal cells only.
It is rigid and elastic for supporting the cell’s shape.
It prevents harmful substances from entering a cell.

Respuesta :

Misssyjaimei Misssyjaimei

11-02-2017

It prevents harmful substances from entering a cell. I uses carrier proteins to do so.

Answer Link

mariecalzada04 mariecalzada04

10-02-2019

The answer is D, It prevents harmful substances from entering the cell. Hope this helps!

Answer Link

Otras preguntas

FortyForty people purchase raffle tickets. Three winning tickets are selected at random. If first prize is $50005000, second prize is $45004500, and third p

To understand the nature of a sound wave, including its properties: frequency, wavelength, loudness, pitch, and timbre. Sound is a phenomenon that we experience

What process can account for the phenomenon wherein a normal XY male produces a sperm carrying two Y chromosomes? a.) first division nondisjunction b.) disjunct

How does The Tattooist of Auschwitz change your perceptions about the Holocaust in particular, and war in general? What implications does this book hold for our

a line passes through the point (-8,7) and has aslope of negative 5/2 write it in point-slope form

The purpose of this problem is to write some small functions and practice passing things around amoung functions. 1) The main function shall ask the user to ent

Recent findings suggest that the use of blended sentences may be ineffective as about ____________ of juveniles who were released early and did not complete the

Martin teaches young children at a public school. He has a bachelor's degree in ECE and a teaching certificate. What is Martin's position? paraprofessional chi

When 18.9 kJ is transferred to a gas sample in a constant volume adiabatic container with a calorimeter constant of 2.22 Kj/K, the temperature of the gas (and t

On May 1, Study and Burrow, two college professors, entered into and oral contract under which study agreed to sell his computer to Burrow for $1,300, with deli