Biology: Cells

Why is it important that ions being transported across a cell membrane be shielded from the interior of the lipid bilayer?

  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. biology

    During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will a. move across the membrane to the outside of the cell b. stop moving across the membrane*** c. continue to move

  2. Biology

    Looking at a cell under a microscope, you note that it is a prokaryote. How do you know? A. The cell lacks cytoplasm. B. The cell lacks a cell membrane. C. The cell lacks a nucleus. D. The cell lacks genetic material.

  3. Science

    Hi! This is mainly for Ms Sue but i'd like anyone to check my answers. This is the Science Organelles Quick Check. 1. What helps the plasma membrane function? channels and chain-like structures pumps and gelatin-like material

  4. bio

    The cell membrane is a highly selective barrier that controls the movement of substances in and out of the cell. In fact, polar molecules are unable to go across unless A. they are enclosed in water-filled vesicles. B. they pass

  1. biology

    With each cell division , the chromosomes are divided between 2 daughter cells, yet the number of chromosomes in each cell does not change. What process ensures that the normal number of chromosomes is restored after each cell

  2. Biology

    The graph illustrates the activity level of three common digestive enzymes, across a range of pH values. Which enzyme is likely to be the most active in the acidic environment of the stomach? A) pepsin B) trypsin C) amylase D)

  3. Bio

    In order to maintain homeostasis, human cells must have a higher concentration of sodium ions outside the cell than inside the cell. In addition, the concentration of potassium ions must be higher inside the cell than outside the

  4. Chemistry

    NaCl crystallizes in face-centered cubic cell. what is the total number of ions(Na+ ions and Cr- ions) that lie withing a unit cell of NaCl? 2 4 8 6 5

  1. physics

    A typical cell membrane is 8.0 nm thick and has an electrical resistivity of 1.3 × 107Ω.m. (i) If the potential difference between the inner and outer surfaces of a cell membrane is 75 mV, how much current flows through a

  2. Biology

    Which phrase does NOT describe one of the functions of proteins of the plasma membrane? -forming a channel through the membrane -initiating the replication of the genetic material (CORRECT) -binding to a substance to carry it

  3. Biology (Answer ASAP Please)

    ok i need help with this like ASAP. Please math the following terms to their corresponding cell structure Cytoplasm [ K ] Flagella [ H ] Smooth Endoplasmic Reticulum [ ] Cilia [ ] Mitochondria [ ] Golgie Apparatus [ ]

  4. Biology

    Which of the following statements best explains how the cell membrane regulates what goes in and out of the cell? A. the membrane allows only certain molecules to move into the cell B. the membrane destroys most molecules so that

You can view more similar questions or ask a new question.