Question 1

Give the three major principles of the cell theory.

Accepted Answer

(1)All organisms are made up o

Question 2

The _________________ of a eukaryotic cell is the organelle that houses the genetic material known as DNA.

Accepted Answer

The answer of The _________________ of a eukaryotic cell is...

Question 3

Which statement about cell walls is true?

Accepted Answer

A) The middle lamella glues the walls of adjacent cells together. 
B) Cell walls are laid down inside cell membranes. 
C) Bacteria and plants have cell walls of the same chemical composition. 
D) Primary walls are laid down while the cell is still growing. 
A) The middle lamella glues the walls of adjacent cells together. 
B) Cell walls are laid down inside cell membranes. 
C) Bacteria and plants have cell walls of the same chemical composition. 
D) Primary walls are laid down while the cell is still growing.

Question 4

The surface of a nucleus is bounded by a special kind of membrane called the ______________________.

Accepted Answer

The answer of The surface of a nucleus is bounded...

Question 5

Cilia and flagella differ from each other primarily in:

Accepted Answer

A) function 
B) length 
C) internal structure 
D) internal chemistry 
A) function 
B) length 
C) internal structure 
D) internal chemistry

Question 6

When a cytoplasmic vesicle fuses with the plasma membrane,expelling its contents outside the cell,the process is known as:

Accepted Answer

A) active transport 
B) exocytosis 
C) phagocytosis 
D) endocytosis 
A) active transport 
B) exocytosis 
C) phagocytosis 
D) endocytosis

Question 7

Which of the following processes requires BOTH a carrier protein AND energy?

Accepted Answer

A) Active transport 
B) Facilitated diffusion 
C) Osmosis 
D) Simple diffusion 
A) Active transport 
B) Facilitated diffusion 
C) Osmosis 
D) Simple diffusion

Question 8

When a cell membrane engulfs fluid droplets it is called:

Accepted Answer

A) diffusion 
B) receptor-mediated endocytosis 
C) phagocytosis 
D) pinocytosis 
E) osmosis 
A) diffusion 
B) receptor-mediated endocytosis 
C) phagocytosis 
D) pinocytosis 
E) osmosis

Question 9

Which structure helps prokaryotic cells attach to substrates and aid in the exchange of genetic information between cells?

Accepted Answer

A) Capsule 
B) Nucleoid 
C) Flagella 
D) Pili 
E) Ribosome 
A) Capsule 
B) Nucleoid 
C) Flagella 
D) Pili 
E) Ribosome

Question 10

Why are most cells so tiny?

Accepted Answer

Cells get their nutrients and

Exam 4: Cells

Give the three major principles of the cell theory.

The _________________ of a eukaryotic cell is the organelle that houses the genetic material known as DNA.

Which statement about cell walls is true?

The surface of a nucleus is bounded by a special kind of membrane called the ______________________.

Cilia and flagella differ from each other primarily in:

When a cytoplasmic vesicle fuses with the plasma membrane,expelling its contents outside the cell,the process is known as:

Which of the following processes requires BOTH a carrier protein AND energy?

When a cell membrane engulfs fluid droplets it is called:

Which structure helps prokaryotic cells attach to substrates and aid in the exchange of genetic information between cells?

Why are most cells so tiny?

The Science of Biology

The Chemistry of Life

Molecules of Life

Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

Mitosis

Meiosis

Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

Circulation

Respiration

The Path of Food Through the Animal Body

Maintaining the Internal Environment

How the Animal Body Defends Itself

The Nervous System

The Senses

Chemical Signaling Within the Animal Body

Reproduction and Development

Evolution of Plants

Plant Form and Function

Plant Reproduction and Growth

Populations and Communities

Ecosystems

Behavior and the Environment

Human Influences on the Living World

Filters