Parts of a Cell Membrane

In the diagram below, which letter points to a structure that helps with cell attachment, signaling, and recognition of substances?

Which letter is pointing to a protein?

Which letter points to a part that is polar and hydrophilic?

What is the composition of the nucleus of an atom?

The diagram illustrates the use of energy by a nerve cell to expel a sodium ion from the inside of the cell. Which of these would best explain why ATP energy is needed to complete this function?

Which of these statements correctly describes an example of how monomers combine and create macromolecules?

Cell membranes allow some molecules to move freely across membranes while others are restricted. Which term best describes this capability of a cell membrane?

In the diagram shown here, which of these would best explain why the cells shrunk?

What property of water allows it to dissolve many different substances?

Active transport is a term for the movement of molecules from...

Water will move out of a cell when the cell is placed into a solution that is...

Molecules, such as water, oxygen, and carbon dioxide, move across the cell membrane by...

When energy is not required to move molecules across a cell membrane, the process is called...

The major difference(s) between active and passive transport is...

Which part of the cell membrane is hydrophobic?

Why do cells not dissolve in water?

The structure of the cell membrane is composed of a bilayer consisting of...

All cells, prokaryotic and eukaryotic, have a few common features. Which of the following is found in both cells?

Which part of an atom has the least mass?

If an atom has 8 protons and 9 electrons, then the atom is...

Which part of the cell is responsible for cell growth and is responsible for metabolism?

Each beaker shown here contains a cell in a solution. (The white oval shape = cell.) Which of these beakers and cell would be considered isotonic?

In beaker number 3, what would happen to the water?

What type of molecule help hold the lipid tails together in the cell membrane?

What type of bond is most often found between carbon and other elements in organic compounds?

The high specific heat of water provides what function in living things?

The chemical structure of starch is shown here. Based on this diagram, starch is a...

The chemical formula for glucose and fructose are C6H12O6. The structural for each of these molecules are shown. Based on the information given, glucose and fructose would be considered...

Which of the following is not part of the cell membrane?

If the concentration of the solute of sugar is 1% outside of the cell and 3% inside of the cell, which of the following would occur by diffusion?

Which structure collects and sends molecules to leave the cell by osmosis?

Marta investigates how water temperature affects the breathing rate of five goldfish. She records the water temperature and counts the number of gill movements of each fish for one minute. Marta slowly raises the water temperature 2 degrees Celsius and then repeats her observations. What is the independent variable in this investigation?

What process moves a small, neutral atom through the cell membrane?

Which of these moves a large amount of a liquid substance into a cell?

A cell placed in a solution. After 24 hours, its volume has increased in size 3%. In what type of solution was it placed?

Cations moving through a protein in the cell membrane are entering the cell through what process?

A cell has 5% glucose and the solution surrounding it is 10% glucose, making the cell [blank_start]hypotonic[blank_end] compared to the solution.

If a cell filled with 5% glucose is in a solution with 10% glucose, the glucose will move [blank_start]into[blank_end] the cell by [blank_start]diffusion[blank_end], and the water will move [blank_start]out of[blank_end] the cell by [blank_start]diffusion[blank_end].

In the diagram of a cell membrane, which structure would be an ion channel?

Which structure would be a lipid?

The use of vesicles to transport substances across the cell membrane out of the cell is called...