Cell Biology Chapter Quiz
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Questions and Answers

The Golgi apparatus is also referred to as the Golgi body.

True

The structure within the nucleus that is responsible for ribonucleic acid production is called the nucleus envelope.

False

The smooth endoplasmic reticulum is characterized by the presence of many ribosomes on its surface.

False

Cells are organized into organelles, which each play a unique role, indicating a concept known as division of labor.

<p>True</p> Signup and view all the answers

The nucleus contains a single membrane that protects its dense structure.

<p>False</p> Signup and view all the answers

Electron microscopes are necessary to view most organelles within a cell.

<p>True</p> Signup and view all the answers

The endoplasmic reticulum plays no role in protein synthesis.

<p>False</p> Signup and view all the answers

The fluid separating the two membranes of the nuclear envelope contains ribosomes.

<p>False</p> Signup and view all the answers

Vacuoles can store waste products and break them down into harmless small particles.

<p>True</p> Signup and view all the answers

The structure of plants is solely dependent on the cytoplasm amount present in plant cells.

<p>False</p> Signup and view all the answers

Ribosomes are found only in eukaryotic cells.

<p>False</p> Signup and view all the answers

Ribosomes are primarily responsible for the production of enzymes within the nucleus.

<p>False</p> Signup and view all the answers

The process of protein synthesis begins with the synthesis of messenger RNA in the ribosomes.

<p>False</p> Signup and view all the answers

Transfer RNA is responsible for binding with amino acids in the cell.

<p>True</p> Signup and view all the answers

The loss of water in vacuoles does not affect the size of plant cells.

<p>False</p> Signup and view all the answers

Ribosomes on the endoplasmic reticulum are involved in making proteins for export out of the cell.

<p>True</p> Signup and view all the answers

Centrioles play a crucial role in the formation of the mitotic spindle during cell division.

<p>True</p> Signup and view all the answers

Centrioles are present in both plant and animal cells.

<p>False</p> Signup and view all the answers

Robert Hooke was the first to observe and describe cells in living organisms.

<p>False</p> Signup and view all the answers

The discovery of the microscope had no impact on the study of cell biology.

<p>False</p> Signup and view all the answers

Centrosomes are considered crucial for the organization of microtubules in the cytoplasm.

<p>True</p> Signup and view all the answers

Plant cells divide using centrioles to facilitate the cell division process.

<p>False</p> Signup and view all the answers

The basic unit of living organisms was first identified by Robert Hooke as cell walls.

<p>False</p> Signup and view all the answers

Microtubules are crucial for the function of centrioles in organizing the structure of cells.

<p>True</p> Signup and view all the answers

Cell biology is also known as cytology.

<p>True</p> Signup and view all the answers

A human body contains approximately 10 billion cells.

<p>False</p> Signup and view all the answers

All cells share identical characteristics and structures.

<p>False</p> Signup and view all the answers

Both plants and animals contain cells that have high structural similarities.

<p>True</p> Signup and view all the answers

Neurons are cells that retain the ability to divide.

<p>False</p> Signup and view all the answers

All living organisms utilize ribonucleic acid to synthesize proteins.

<p>False</p> Signup and view all the answers

The nuclear membrane is responsible for separating DNA from the cytoplasm.

<p>True</p> Signup and view all the answers

Cellular diversity refers to the similarities in the kinds of cells across different organisms.

<p>False</p> Signup and view all the answers

Mitochondria are organelles that are essential for generating Adenosine triphosphate (ATP) in cells.

<p>True</p> Signup and view all the answers

Muscle cells in multicellular organisms do not synthesize proteins needed for their contraction.

<p>False</p> Signup and view all the answers

Cell morphology refers to the different shapes and forms of cells in multicellular organisms.

<p>True</p> Signup and view all the answers

Non-contractile cells are responsible for synthesizing the same proteins as muscle cells.

<p>False</p> Signup and view all the answers

In multicellular organisms, cells are organized into tissues based on their functions.

<p>True</p> Signup and view all the answers

The cardiovascular system consists solely of muscles that facilitate blood circulation.

<p>False</p> Signup and view all the answers

Cell division occurs when cells grow and complete their cellular activities appropriately.

<p>True</p> Signup and view all the answers

Cellular communication does not require movement of molecules within the cell.

<p>False</p> Signup and view all the answers

Myosins can only bind to actin filaments in the presence of monophosphate nucleotides.

<p>False</p> Signup and view all the answers

Capping proteins serve to prevent the disassembly of actin filaments.

<p>True</p> Signup and view all the answers

Villin and filamin are proteins that assist in stiffening the filament structure by binding them lengthwise.

<p>False</p> Signup and view all the answers

There are over fifteen different types of capping proteins that regulate filament length in cells.

<p>False</p> Signup and view all the answers

Myosin II is primarily responsible for moving membrane-bound vesicles along actin tracks.

<p>False</p> Signup and view all the answers

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