Question 1

The nucleus of a cell

Accepted Answer

A) is surrounded by a single layer of membrane. 
B) is contained within the nucleolus. 
C) contains DNA. 
D) is the primary location of protein synthesis. 
A) is surrounded by a single layer of membrane. 
B) is contained within the nucleolus. 
C) contains DNA. 
D) is the primary location of protein synthesis.

Question 2

After reading the paragraph below, answer the questions that follow.
Studies of the endomembrane system often involve the use of a protein that can emit a green fluorescence (glow). A researcher wants to make a video of cell behavior, so she initially tags the outer nuclear envelope of a cell with the fluorescent tag and records for several hours. Later, she sees that the tag is part of a secretory vesicle.
-The fluorescent tag likely became incorporated into which of the following organelles during the video?

Accepted Answer

A) mitochondria 
B) ribosomes 
C) endoplasmic reticulum 
D) peroxisomes 
A) mitochondria 
B) ribosomes 
C) endoplasmic reticulum 
D) peroxisomes

Question 3

When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell. As a result of this, that cell will

Accepted Answer

A) recycle damaged organelles. 
B) undergo cell division. 
C) produce replacement lysosomes. 
D) undergo self-digestion and die. 
A) recycle damaged organelles. 
B) undergo cell division. 
C) produce replacement lysosomes. 
D) undergo self-digestion and die.

Question 4

The idea that all living things are composed of cells and that all cells come from other cells defines

Accepted Answer

A) the laws of inheritance. 
B) organelle theory. 
C) cell theory. 
D) inheritance of acquired characteristics. 
A) the laws of inheritance. 
B) organelle theory. 
C) cell theory. 
D) inheritance of acquired characteristics.

Question 5

It is essential for heart muscle cells to beat in a coordinated fashion. The cell junctions that would best facilitate this are

Accepted Answer

A) occluding junctions. 
B) anchoring junctions. 
C) tight junctions. 
D) gap junctions. 
A) occluding junctions. 
B) anchoring junctions. 
C) tight junctions. 
D) gap junctions.

Question 6

The cells that produce hair made of protein contain a lot of ________, while the cells that produce the oils that coat the hair contain a lot of ________.

Accepted Answer

A) smooth endoplasmic reticulum; lysosomes 
B) rough endoplasmic reticulum; smooth endoplasmic reticulum 
C) smooth endoplasmic reticulum; rough endoplasmic reticulum 
D) microbodies; lysosomes 
A) smooth endoplasmic reticulum; lysosomes 
B) rough endoplasmic reticulum; smooth endoplasmic reticulum 
C) smooth endoplasmic reticulum; rough endoplasmic reticulum 
D) microbodies; lysosomes

Question 7

The ________ of a mitochondrion is/are an adaptation that increases the surface area and enhances a mitochondrion's ability to produce ATP.

Accepted Answer

A) stroma 
B) intermembrane space 
C) cristae 
D) matrix 
A) stroma 
B) intermembrane space 
C) cristae 
D) matrix

Question 8

Cyanide inhibits mitochondrial function; as a result, the rate of

Accepted Answer

A) ATP synthesis increases. 
B) ATP synthesis decreases. 
C) photosynthesis increases. 
D) protein synthesis increases. 
A) ATP synthesis increases. 
B) ATP synthesis decreases. 
C) photosynthesis increases. 
D) protein synthesis increases.

Question 9

Tay-Sachs disease results from the malfunction of

Accepted Answer

A) mitochondria. 
B) lysosomes. 
C) endoplasmic reticulum. 
D) nucleoli. 
A) mitochondria. 
B) lysosomes. 
C) endoplasmic reticulum. 
D) nucleoli.

Question 10

In the plasma membrane, the phospholipid heads

Accepted Answer

A) are hydrophilic and face outward toward the aqueous solution on both sides of the membrane. 
B) are hydrophilic and face inward, shielded from water. 
C) are hydrophobic and face outward toward the aqueous solution on both sides of the membrane. 
D) are hydrophobic and face inward, shielded from water. 
A) are hydrophilic and face outward toward the aqueous solution on both sides of the membrane. 
B) are hydrophilic and face inward, shielded from water. 
C) are hydrophobic and face outward toward the aqueous solution on both sides of the membrane. 
D) are hydrophobic and face inward, shielded from water.

Exam 4: A Tour of the Cell

The nucleus of a cell

When a cell is deprived of oxygen, its lysosomes tend to burst and release their contents into the cell. As a result of this, that cell will

The idea that all living things are composed of cells and that all cells come from other cells defines

It is essential for heart muscle cells to beat in a coordinated fashion. The cell junctions that would best facilitate this are

The cells that produce hair made of protein contain a lot of ________, while the cells that produce the oils that coat the hair contain a lot of ________.

The ________ of a mitochondrion is/are an adaptation that increases the surface area and enhances a mitochondrion's ability to produce ATP.

Cyanide inhibits mitochondrial function; as a result, the rate of

Tay-Sachs disease results from the malfunction of

In the plasma membrane, the phospholipid heads

Biology: Exploring Life

The Chemical Basis of Life

The Molecules of Cells

The Working Cell

How Cells Harvest Chemical Energy

Photosynthesis: Using Light to Make Food

The Cellular Basis of Reproduction and Inheritance

Patterns of Inheritance

Molecular Biology of the Gene

How Genes Are Controlled

DNA Technology and Genomics

How Populations Evolve

The Origin of Species

Tracing Evolutionary History

Microbial Life: Prokaryotes and Protists

The Evolution of Plant and Fungal Diversity

The Evolution of Invertebrate Diversity

The Evolution of Vertebrate Diversity

Unifying Concepts of Animal Structure and Function

Nutrition and Digestion

Gas Exchange

Circulation

the Immune System

Control of Body Temperature and Water Balance

Hormones and the Endocrine System

Reproduction and Embryonic Development

Nervous Systems

the Senses

How Animals Move

Plant Structure, Growth, and Reproduction

Plant Nutrition and Transport

Control Systems in Plants

the Biosphere: an Introduction to Earths Diverse Environments

Behavioral Adaptations to the Environment

Population Ecology

Communities and Ecosystems

Conservation Biology

Filters

The cells that produce hair made of protein contain a lot of , while the cells that produce the oils that coat the hair contain a lot of .