22 notecards = 6 pages (4 cards per page)
In the plasma membrane, _________ form(s) the lipid bilayer, __________ determine(s) the fluid membrane, and ___________ mainly determine(s) the function of the membrane.
phospholipids, cholesterol, proteins
Which of the following functioning proteins are found in the plasma membrane?
In general, lipid-soluble molecules diffuse through the _________; small, water-soluble molecules diffuse through the ____________.
lipid bilayer, carrier proteins
Small pieces of matter, and even whole cells, can be transported across the membrane in?
The rate of diffusion increases if the...
viscosity of a solution decreases
Concerning the process of diffusion, at equilibrium...
-the net movement of solution stops
If a cell is placed in a(n) __________ solution, lysis of the cell may occur.
Suppose that a woman runs a long-distance race in the summer. During the race, she loses a large amount of hyposmotic sweat. You would expect her cells to...
Which of these statements about facilitated diffusion is true?
In a facilitated diffusion, net movement is down the concentration gradient.
Which of these statements concerning the symport of glucose into cells is true?
The concentration of glucose can be greater inside cells then outside cells.
A white blood cell ingests solid particles by forming vesicles. This describes the process of...
Given these characteristics:
!. Requires energy
Cytoplasm is found
outside the nucleus and inside the plasma membrane
Which of these elements of the cytoskeleton is composed of tubulin and forms essential components of centrioles, spindle fibers, cilia, and flagella?
A large structure, normally visible in the nucleus of a cell, where ribosomal subunits are produced is the
A cell that synthesizes large amounts of protein for use outside the cell has a large
c. amount of rough endoplasmic reticulum
Which of these organelles produces large amounts of ATP?
Cylindrically shaped extensions of the plasma membrane that do not move, and are supported with actin filaments; they may function in absorption or as sensory receptors. This describes
A portion of an mRNA molecule that determines one amino acid in a polypeptide chain is called a
In which of these organelles is mRNA synthesized?
During the cell life cycle, DNA replication occurs during the
d. S phase
Given the following activities: