Question 1

The organelle shown below often functions in what process? 
A) Protein production
B) Digestion
C) Support
D) Lipid synthesis

Accepted Answer

The answer of The organelle shown below often functions in...

Question 2

What is the purpose of cellular respiration?
A) The production of glucose
B) The production of ATP
C) The production of oxygen
D) The production of mitochondria

Accepted Answer

Cellular respiration is the process by which cells convert glucose and oxygen into ATP, the energy currency of the cell, along with carbon dioxide and water as byproducts.

Question 3

The structure below can be found in which organelle? 
A) Nucleus
B) Golgi complex
C) Smooth endoplasmic reticulum
D) Centrioles

Accepted Answer

The answer of The structure below can be found in...

Question 4

The signaling compound shown in the figure is a: 
A) paracrine.
B) autocrine.
C) hormone.
D) apoptosis.

Accepted Answer

The answer of The signaling compound shown in the figure...

Question 5

What process is shown in the diagram below? 
A) Osmosis
B) Active transport
C) Facilitated diffusion
D) Exocytosis

Accepted Answer

The answer of What process is shown in the diagram...

Question 6

Cyclins are small proteins that bind to and activate CDKs during the proess of
A) cellular respiration
B) diffusion
C) osmosis
D) mitosis

Accepted Answer

Cyclins are regulatory proteins that control the progression of the cell cycle by activating cyclin-dependent kinases (CDKs), which are crucial for the process of mitosis.

Question 7

What form of transport uses energy and moves molecules against or "up" their concentration gradient?
A) Passive transport
B) Osmosis
C) Diffusion
D) Active transport

Accepted Answer

Active transport requires energy to move molecules against their concentration gradient.

Question 8

The arrow is pointing to the region where the two chromosome arms are held together. This is referred to as the ______. 
A) spindle apparatus.
B) cleavage furrow.
C) chromatin.
D) centromere.

Accepted Answer

The answer of The arrow is pointing to the region...

Question 9

Cell-to-cell junctions which allow for instantaneous communication can be found in which kind of cells?
A) Red blood cells
B) Cartilage
C) Heart muscle cells
D) Bone cells

Accepted Answer

Heart muscle cells have gap junctions that allow for rapid communication and coordination of contractions.

Question 10

What is the name of the process shown in this figure? 
A) Active transport
B) Facilitated diffusion
C) Osmosis
D) Diffusion

Accepted Answer

The answer of What is the name of the process...

Question 11

In the diagram below, which process releases the most ATP? 
A) 1
B) 2
C) 3
D) 4

Accepted Answer

The answer of In the diagram below, which process releases...

Question 12

When a cell is placed in an isotonic solution, water will:
A) move into and out of the cell at an equal rate and not affect the cell.
B) move into the cell and cause the cell to burst.
C) move out of the cell and cause the cell to shrink.
D) move into the cell and cause the cell to shrink.

Accepted Answer

In an isotonic solution, the concentration of solutes is equal inside and outside the cell, so water moves in and out at equal rates, maintaining cell size.

Question 13

Endocytosis is a form of active transport in which substances from the surrounding fluid move into the cell.

Accepted Answer

Endocytosis is an active transport process that requires energy to move substances into the cell by engulfing them with the cell membrane.

Question 14

Osmosis is a form of active transport.

Accepted Answer

Osmosis is a form of passive transport, as it involves the movement of water molecules across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration without the use of energy.

Question 15

Paracrines are hormones that:
A) are released into the bloodstream, potentially reaching every cell of the body.
B) are mostly used when quick responses are required.
C) allow physical connections between adjacent cells.
D) provide long-distance communication.

Accepted Answer

Paracrines are local hormones that act on neighboring cells, allowing for quick responses without entering the bloodstream.

Question 16

A key difference between eukaryotic and prokaryotic cells is that:
A) prokaryotes have a nucleus and eukaryotes do not.
B) prokaryotes have organelles and eukaryotes do not.
C) eukaryotes have a nucleus and prokaryotes do not.
D) eukaryotes have DNA floating in the cytoplasm and prokaryotes do not.

Accepted Answer

Eukaryotic cells have a nucleus that contains their DNA, while prokaryotic cells do not have a nucleus; their DNA is located in the cytoplasm.

Question 17

Sodium/potassium ATPase is a reciprocal pump that moves potassium ions into the cell while pumping sodium ions out of the cell.

Accepted Answer

The sodium/potassium ATPase is an enzyme that uses ATP to transport sodium ions out of the cell and potassium ions into the cell, maintaining the necessary concentration gradients.

Question 18

What process is shown in the diagram below? 
A) Osmosis
B) Active transport
C) Facilitated diffusion
D) Exocytosis

Accepted Answer

The answer of What process is shown in the diagram...

Question 19

The movement of water from an area of high concentration to an area of low concentration is called:
A) endocytosis.
B) osmosis.
C) active transport.
D) pinocytosis.

Accepted Answer

Osmosis is the movement of water from an area of high concentration to an area of low concentration.

Question 20

In the diagram below, what structure is indicated by the arrow? 
A) Chromatin
B) Nuclear pore
C) Nuclear envelope
D) Nucleolus

Accepted Answer

The answer of In the diagram below, what structure is...

Quiz 4: Cells: Organization and Communication

The organelle shown below often functions in what process?

What is the purpose of cellular respiration?

The structure below can be found in which organelle?

The signaling compound shown in the figure is a:

What process is shown in the diagram below?

Cyclins are small proteins that bind to and activate CDKs during the proess of

What form of transport uses energy and moves molecules against or "up" their concentration gradient?

The arrow is pointing to the region where the two chromosome arms are held together. This is referred to as the ______.

Cell-to-cell junctions which allow for instantaneous communication can be found in which kind of cells?

What is the name of the process shown in this figure?

In the diagram below, which process releases the most ATP?

When a cell is placed in an isotonic solution, water will:

Endocytosis is a form of active transport in which substances from the surrounding fluid move into the cell.

Osmosis is a form of active transport.

Paracrines are hormones that:

A key difference between eukaryotic and prokaryotic cells is that:

Sodium/potassium ATPase is a reciprocal pump that moves potassium ions into the cell while pumping sodium ions out of the cell.

What process is shown in the diagram below?

The movement of water from an area of high concentration to an area of low concentration is called:

In the diagram below, what structure is indicated by the arrow?