Question 1

Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the

Accepted Answer

A)  nucleus. 
B)  mitochondria. 
C)  endoplasmic reticulum. 
D)  plasma membrane. 
A)  nucleus. 
B)  mitochondria. 
C)  endoplasmic reticulum. 
D)  plasma membrane.

Question 2

The boundary that surrounds the contents of the nucleus is the

Accepted Answer

A)  plasma membrane. 
B)  nuclear envelope. 
C)  nuclear pore. 
D)  cytosol. 
A)  plasma membrane. 
B)  nuclear envelope. 
C)  nuclear pore. 
D)  cytosol.

Question 3

Phospholipids are large organic molecules with a hydrophilic,polar phosphate head connected to hydrophobic,nonpolar fatty acid tails.These molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment by lining up

Accepted Answer

A)  hydrophilic head to hydrophilic head with the tails all facing outward from the center line of the membrane. 
B)  hydrophobic tails facing each other at the center line of the membrane with the hydrophilic heads facing outward, away from the center line of the membrane. 
C)  hydrophobic tails facing hydrophilic heads. 
D)  hydrophilic tails facing hydrophobic heads with every other tail facing outward from the center line of the membrane. 
A)  hydrophilic head to hydrophilic head with the tails all facing outward from the center line of the membrane. 
B)  hydrophobic tails facing each other at the center line of the membrane with the hydrophilic heads facing outward, away from the center line of the membrane. 
C)  hydrophobic tails facing hydrophilic heads. 
D)  hydrophilic tails facing hydrophobic heads with every other tail facing outward from the center line of the membrane.

Question 4

Examine the infographic below.Are all bacteria (prokaryotes)likely to be 3 µm in length and all protozoans (eukaryotes)500 µm in size? Support your answer using information from the infographic.

Accepted Answer

There are likely to be other sizes of pr

Question 5

If a white blood cell (WBC)is approximately 18 µm in diameter,which of the cell types or viruses seen in the infographic below would it be large enough to engulf? Describe the process the white blood cell would use to engulf another cell.

Accepted Answer

The WBC is larger than rhinovirus,influe

Question 6

If a bottle of perfume was spilled in the corner of a large lecture hall,the students sitting near that corner of the room would very quickly smell the perfume.Over time,the students sitting in the far corner of the room would smell the perfume.What phenomenon has occurred to the perfume molecules that have entered the air?

Accepted Answer

A)  osmosis 
B)  facilitated diffusion 
C)  active transport 
D)  simple diffusion 
A)  osmosis 
B)  facilitated diffusion 
C)  active transport 
D)  simple diffusion

Question 7

Match the following cellular structures with their primary function (you may need to use a function more than once).
-mitochondrion

Accepted Answer

A) photosynthesis 
B) regulate what moves in and out of cell 
C) structure and support for cell 
D) lipid synthesis 
E) tags proteins for movement
F)enzymatic breakdown of large molecules
G)protein synthesis
H)cellular respiration
I)water and solute storage
J)location of DNA
K)internal organization and structural support 
A) photosynthesis 
B) regulate what moves in and out of cell 
C) structure and support for cell 
D) lipid synthesis 
E) tags proteins for movement
F)enzymatic breakdown of large molecules
G)protein synthesis
H)cellular respiration
I)water and solute storage
J)location of DNA
K)internal organization and structural support

Question 8

Match the following cellular structures with their primary function (you may need to use a function more than once).
-smooth endoplasmic reticulum

Accepted Answer

A) photosynthesis 
B) regulate what moves in and out of cell 
C) structure and support for cell 
D) lipid synthesis 
E) tags proteins for movement
F)enzymatic breakdown of large molecules
G)protein synthesis
H)cellular respiration
I)water and solute storage
J)location of DNA
K)internal organization and structural support 
A) photosynthesis 
B) regulate what moves in and out of cell 
C) structure and support for cell 
D) lipid synthesis 
E) tags proteins for movement
F)enzymatic breakdown of large molecules
G)protein synthesis
H)cellular respiration
I)water and solute storage
J)location of DNA
K)internal organization and structural support

Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the

The boundary that surrounds the contents of the nucleus is the

Phospholipids are large organic molecules with a hydrophilic,polar phosphate head connected to hydrophobic,nonpolar fatty acid tails.These molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment by lining up

Examine the infographic below.Are all bacteria (prokaryotes)likely to be 3 µm in length and all protozoans (eukaryotes)500 µm in size? Support your answer using information from the infographic.

If a white blood cell (WBC)is approximately 18 µm in diameter,which of the cell types or viruses seen in the infographic below would it be large enough to engulf? Describe the process the white blood cell would use to engulf another cell.

Match the following cellular structures with their primary function (you may need to use a function more than once). -mitochondrion

Match the following cellular structures with their primary function (you may need to use a function more than once). -smooth endoplasmic reticulum

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters

Exam 4: Life Is Cellular

Living cells have an intact phospholipid bilayer that separates the cell from its external environment; this structure is commonly referred to as the

The boundary that surrounds the contents of the nucleus is the

Phospholipids are large organic molecules with a hydrophilic,polar phosphate head connected to hydrophobic,nonpolar fatty acid tails.These molecules arrange themselves to form a mostly impermeable barrier between a liposome and its environment by lining up

Examine the infographic below.Are all bacteria (prokaryotes)likely to be 3 µm in length and all protozoans (eukaryotes)500 µm in size? Support your answer using information from the infographic.

If a white blood cell (WBC)is approximately 18 µm in diameter,which of the cell types or viruses seen in the infographic below would it be large enough to engulf? Describe the process the white blood cell would use to engulf another cell.

Match the following cellular structures with their primary function (you may need to use a function more than once). -mitochondrion

Match the following cellular structures with their primary function (you may need to use a function more than once). -smooth endoplasmic reticulum

The Nature of Science

Evaluating Scientific Claims

Chemistry of Life

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Bacteria and Archaea

Plants, Fungi, and Protists

Animals and Human Evolution

General Principles of Ecology

Growth of Populations

Communities of Organisms

Ecosystems

Filters