Question 1

Which word means "the bursting of red blood cells"?

Accepted Answer

Hemolysis refers to the bursting of red blood cells. Endocytosis is the process by which cells take in external substances. Crenation is the shriveling or shrinking of red blood cells. A catalyst is a substance that increases the rate of a chemical reaction.

Question 2

Which of the following is (are)found on the rough endoplasmic reticulum?

Accepted Answer

Ribosomes are found on the rough endoplasmic reticulum, where they synthesize proteins for export or for use in the cell's membrane. Cilia are found on the surface of cells and are involved in movement, lysosomes are membrane-bound organelles that break down cellular waste and debris, and DNA is located in the nucleus of the cell.

Question 3

If a cell is placed in a hypotonic solution such as water,the cell will

Accepted Answer

In a hypotonic solution, there is a higher concentration of water outside the cell than inside the cell. As a result, water will move into the cell, causing it to swell and potentially burst. This process is known as cytolysis. Therefore, option C is the most appropriate choice. Option A is incorrect because crenation happens in hypertonic solutions. Option B is incorrect because the cell will not shrink in a hypotonic solution. Option D is unrelated to the hypertonic solution and is incorrect.

Question 4

Lysosomes are filled with

Accepted Answer

Lysosomes contain powerful enzymes, such as proteases and lipases, that break down and digest cellular debris and foreign substances, including pathogens.

Question 5

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.At equilibrium,the

Accepted Answer

CAt equilibrium, water will move from the lower concentration side (compartment A) to the higher concentration side (compartment B) to dilute the higher concentration, leading to a decrease in concentration in compartment A and an increase in volume in compartment B.

Question 6

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.Initially,

Accepted Answer

Water will diffuse from compartment A to compartment B due to osmosis, moving from the lower concentration of solute (20% NaCl) to the higher concentration of solute (50% NaCl) to equalize the solute concentration on both sides of the membrane.

Question 7

Which of the following is considered the control center of the cell?

Accepted Answer

The nucleus is considered the control center of the cell because it contains the cell's genetic material and regulates all cellular activities. The mitochondrion is responsible for energy production, lysosome for intracellular digestion, and centriole for cell division.

Question 8

What is the transport mechanism in this description: A passive process that uses a pressure difference as its driving force?

Accepted Answer

Filtration is a passive process that relies on a pressure difference to drive the movement of substances across a membrane, without the need for energy input from ATP.

Question 9

What are the hairlike structures located on the outer surface of the cell membrane?

Accepted Answer

Cilia are hairlike structures that extend from the surface of the cell membrane and are involved in cell movement and sensing of the environment. Mitochondria and ribosomes are not located on the outer surface of the cell membrane, and centrioles are involved in cell division but are not hairlike structures on the cell membrane.

Question 10

What is the transport mechanism in this description: A passive process that "pulls" water from an area where there is more water to an area where there is less water?

Accepted Answer

The description suggests movement of water from an area of high concentration to an area of low concentration, which is characteristic of osmosis. Osmosis is a passive transport mechanism, meaning it does not require energy input.

Question 11

Which of the following best describes the power or driving force for active transport?

Accepted Answer

Active transport requires energy input to move molecules against their concentration gradient. The most common form of energy used in active transport is ATP (adenosine triphosphate). ATP is hydrolyzed to ADP and Pi, releasing energy that is used by transport proteins to pump molecules across the cell membrane. Choices B, C, and D do not provide energy for active transport. Pressure may play a role in some types of transport, but it alone is not the driving force for active transport. DNA is the genetic material of the cell and does not play a direct role in active transport. H+ ions are involved in some types of transport, but they do not provide the energy for active transport.

Question 12

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.Initially,

Accepted Answer

Since the membrane is permeable to both Na⁺ and Cl⁻, they will diffuse from the higher concentration in compartment B to the lower concentration in compartment A.

Question 13

Which process describes phagocytosis and pinocytosis?

Accepted Answer

Phagocytosis and pinocytosis are both forms of endocytosis, where the plasma membrane engulfs extracellular material and brings it into the cell. Facilitated diffusion, filtration, and exocytosis involve different processes where substances are moved across or out of the plasma membrane.

Question 14

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

Accepted Answer

The extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids is the endoplasmic reticulum (ER). The other options, mitochondria and lysosomes, are organelles with different functions, and DNA is not a membrane system.

Question 15

What is the name of the process in which an intracellular protein-containing vesicle fuses with the cell membrane and expels the protein to the outside of the cell?

Accepted Answer

Exocytosis is the process by which intracellular vesicles fuse with the cell membrane and release their contents to the extracellular environment. This process is important for the secretion of proteins, neurotransmitters, and other molecules from cells. Endocytosis is the opposite process, in which material is brought into the cell by invagination of the cell membrane. Pinocytosis and phagocytosis are specific types of endocytosis.

Question 16

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

Accepted Answer

The mitochondrion is responsible for producing most of the ATP in the cell through cellular respiration. It is not where protein synthesis occurs, nor where all DNA or ribosomes are located.

Question 17

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

Accepted Answer

The description matches the process of facilitated diffusion, where a carrier molecule helps move a solute down its concentration gradient without the input of energy. Osmosis is the diffusion of water molecules across a selectively permeable membrane, and does not involve carrier molecules. An ATP-driven pump uses energy in the form of ATP to move solutes against their concentration gradient, and filtration involves the movement of solutes through a membrane under pressure.

Question 18

Which of the following is most associated with the ribosome?

Accepted Answer

The ribosome is responsible for protein synthesis, as it reads mRNA and translates it into a chain of amino acids to form a protein. ATP production is attributed to the mitochondria, intracellular housecleaning to the lysosome, and glycogen storage to the liver and muscle cells.

Question 19

The rough ER is the site of

Accepted Answer

The rough endoplasmic reticulum (ER) is studded with ribosomes, giving it a "rough" appearance. These ribosomes translate mRNA into proteins that are then folded and modified by the rough ER before being transported to their final destinations in the cell, such as the Golgi apparatus or cell membrane. The rough ER is therefore heavily involved in protein synthesis.

Question 20

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.At equilibrium,the

Accepted Answer

Due to the semipermeable membrane, water will move from the 20% NaCl solution in compartment A to the 50% NaCl solution in compartment B, in order to create an equal concentration of salt on both sides. This process will continue until the concentrations and volumes of the solutions in both compartments are the same.

Quiz 3: Cells

Which word means "the bursting of red blood cells"?

Which of the following is (are) found on the rough endoplasmic reticulum?

If a cell is placed in a hypotonic solution such as water,the cell will

Lysosomes are filled with

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.At equilibrium,the

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.Initially,

Which of the following is considered the control center of the cell?

What is the transport mechanism in this description: A passive process that uses a pressure difference as its driving force?

What are the hairlike structures located on the outer surface of the cell membrane?

What is the transport mechanism in this description: A passive process that "pulls" water from an area where there is more water to an area where there is less water?

Which of the following best describes the power or driving force for active transport?

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.Initially,

Which process describes phagocytosis and pinocytosis?

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

What is the name of the process in which an intracellular protein-containing vesicle fuses with the cell membrane and expels the protein to the outside of the cell?

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

Which of the following is most associated with the ribosome?

The rough ER is the site of

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.At equilibrium,the

Quiz 3: Cells

Which word means "the bursting of red blood cells"?

Which of the following is (are) found on the rough endoplasmic reticulum?

If a cell is placed in a hypotonic solution such as water,the cell will

Lysosomes are filled with

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl-.At equilibrium,the

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl-.Initially,

Which of the following is considered the control center of the cell?

What is the transport mechanism in this description: A passive process that uses a pressure difference as its driving force?

What are the hairlike structures located on the outer surface of the cell membrane?

What is the transport mechanism in this description: A passive process that "pulls" water from an area where there is more water to an area where there is less water?

Which of the following best describes the power or driving force for active transport?

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl-.Initially,

Which process describes phagocytosis and pinocytosis?

What is the extensive internal membrane system that forms channels and is concerned with the synthesis of protein and steroids?

What is the name of the process in which an intracellular protein-containing vesicle fuses with the cell membrane and expels the protein to the outside of the cell?

The mitochondrion is called the power plant of the cell because _____ within the mitochondrion.

What is the transport mechanism in this description: A passive process that uses a carrier molecule to move a solute from an area of high concentration to an area of low concentration?

Which of the following is most associated with the ribosome?

The rough ER is the site of

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl-.At equilibrium,the

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.At equilibrium,the

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to water but not to Na⁺ or Cl^-.Initially,

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution while compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.Initially,

A beaker is divided into two compartments by a semipermeable membrane.Compartment A contains a 20% NaCl solution and compartment B contains a 50% NaCl solution.The membrane is permeable to both water and Na⁺ and Cl^-.At equilibrium,the