Question 1

What of the following is necessary for the replication process to occur in a cell?

Accepted Answer

A)  enzymatic proteins 
B)  carbohydrates 
C)  lipids 
D)  starches 
E)  viruses 
A)  enzymatic proteins 
B)  carbohydrates 
C)  lipids 
D)  starches 
E)  viruses A

Question 2

Which of the following is not an example of a vestigial structure?

Accepted Answer

A)  pelvic girdle and legs in whales 
B)  wings for flight in most birds 
C)  tailbone in humans 
D)  pelvic girdle in snakes 
E)  none are examples of vestigial structures 
A)  pelvic girdle and legs in whales 
B)  wings for flight in most birds 
C)  tailbone in humans 
D)  pelvic girdle in snakes 
E)  none are examples of vestigial structures B

Question 3

What happens in chimps and humans when the snout is shortened considerably?

Accepted Answer

A)  The sense of smell is dramatically reduced. 
B)  The eyes move to the front and allow for stereoscopic vision. 
C)  This allows for the development of a chin. 
D)  Canine teeth are lost. 
E)  Vocalization becomes possible. 
A)  The sense of smell is dramatically reduced. 
B)  The eyes move to the front and allow for stereoscopic vision. 
C)  This allows for the development of a chin. 
D)  Canine teeth are lost. 
E)  Vocalization becomes possible. B

Question 4

Which of the following is not a species within the genus Homo?

Accepted Answer

A)  Homo erectus 
B)  Homo habilis 
C)  Homo ramidus 
D)  Homo sapiens 
E)  Homo floresiensis 
A)  Homo erectus 
B)  Homo habilis 
C)  Homo ramidus 
D)  Homo sapiens 
E)  Homo floresiensis

Question 5

On what basis was life divided into three domains?

Accepted Answer

A)  rRNA sequence data 
B)  cytochrome c sequence data 
C)  mitochondrial DNA sequence data 
D)  the presence or absence of a nucleus and organelles 
E)  presence or absence of mammary glands 
A)  rRNA sequence data 
B)  cytochrome c sequence data 
C)  mitochondrial DNA sequence data 
D)  the presence or absence of a nucleus and organelles 
E)  presence or absence of mammary glands

Question 6

What evidence contributed to the formulation of the RNA-first hypothesis?

Accepted Answer

A)  RNA was formed in MIller's experiment. 
B)  RNA continues to evolve chemically today. 
C)  More primitive cells, such as archaea, use an RNA only information system. 
D)  RNA can sometimes be both a substrate and an enzyme during RNA processing. 
E)  Protocells contain only RNA and lipids. 
A)  RNA was formed in MIller's experiment. 
B)  RNA continues to evolve chemically today. 
C)  More primitive cells, such as archaea, use an RNA only information system. 
D)  RNA can sometimes be both a substrate and an enzyme during RNA processing. 
E)  Protocells contain only RNA and lipids.

Question 7

Which of the following is not a characteristic of the Neandertals?

Accepted Answer

A)  They had massive brow ridges. 
B)  They are considered H. sapiens. 
C)  The pubic bone was long compared to ours. 
D)  The brain size was larger than ours. 
E)  They were heavily muscled. 
A)  They had massive brow ridges. 
B)  They are considered H. sapiens. 
C)  The pubic bone was long compared to ours. 
D)  The brain size was larger than ours. 
E)  They were heavily muscled.

Question 8

Both the RNA-first and the protein-first hypotheses must propose a manner for DNA to become the genetic material as it is today.

Accepted Answer

A) True 
 B)False

Question 9

According to evolutionary theory humans are descended from extant apes.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is not an important anatomical feature for determining if a fossil is a hominin?

Accepted Answer

A)  absence of sharp canines 
B)  bipedal posture 
C)  flat face 
D)  brain size 
E)  absence of a chin 
A)  absence of sharp canines 
B)  bipedal posture 
C)  flat face 
D)  brain size 
E)  absence of a chin

Question 11

Which anatomical feature is found in humans that is absent in chimpanzees?

Accepted Answer

A)  arched foot 
B)  pelvis is long and narrow 
C)  femurs angle out at the knees 
D)  there is a slight curve in the spine 
E)  the knee supports very little weight 
A)  arched foot 
B)  pelvis is long and narrow 
C)  femurs angle out at the knees 
D)  there is a slight curve in the spine 
E)  the knee supports very little weight

Question 12

There are two important aspects to biological evolution: descent from a common ancestor and the fossil record.

Accepted Answer

A) True 
 B)False

Question 13

Biological evolution is the process whereby

Accepted Answer

A)  humans descended from apes. 
B)  species change through time. 
C)  living cells arose from nonliving chemicals. 
D)  prokaryotic cells became eukaryotic cells. 
E)  only the strongest survive. 
A)  humans descended from apes. 
B)  species change through time. 
C)  living cells arose from nonliving chemicals. 
D)  prokaryotic cells became eukaryotic cells. 
E)  only the strongest survive.

Question 14

The flipper of a whale and the wing of a bird are homologous structures.

Accepted Answer

A) True 
 B)False

Question 15

Jean-Baptiste Lamarck's process of acquired characteristics would support the idea that if you run marathons and develop very strong leg muscles, your children would be born with very strong leg muscles.

Accepted Answer

A) True 
 B)False

Question 16

According to the out-of-Africa hypothesis, when did Homo sapiens migrate to Europe and Asia?

Accepted Answer

A)  1000 years before present 
B)  10,000 years before present 
C)  100,000 years before present 
D)  1 million years before present 
E)  5 million years before present 
A)  1000 years before present 
B)  10,000 years before present 
C)  100,000 years before present 
D)  1 million years before present 
E)  5 million years before present

Question 17

In the out-of-Africa hypothesis, there was interbreeding between the ancestors of modern humans on three continents.

Accepted Answer

A) True 
 B)False

Question 18

We do not have any fossils of unicellular prokaryotes. The first organisms to appear in the fossil record are unicellular eukaryotes.

Accepted Answer

A) True 
 B)False

Question 19

Researchers use mitochondrial DNA sequences to study recent evolutionary events because changes occur in mitochondrial DNA more frequently than in nuclear DNA.

Accepted Answer

A) True 
 B)False

Question 20

Miller's experiment showed that life could arise via chemical evolution.

Accepted Answer

A) True 
 B)False

Exam 23: Hummen Evolution

What of the following is necessary for the replication process to occur in a cell?

Which of the following is not an example of a vestigial structure?

What happens in chimps and humans when the snout is shortened considerably?

Which of the following is not a species within the genus Homo?

On what basis was life divided into three domains?

What evidence contributed to the formulation of the RNA-first hypothesis?

Which of the following is not a characteristic of the Neandertals?

Both the RNA-first and the protein-first hypotheses must propose a manner for DNA to become the genetic material as it is today.

According to evolutionary theory humans are descended from extant apes.

Which of the following is not an important anatomical feature for determining if a fossil is a hominin?

Which anatomical feature is found in humans that is absent in chimpanzees?

There are two important aspects to biological evolution: descent from a common ancestor and the fossil record.

Biological evolution is the process whereby

The flipper of a whale and the wing of a bird are homologous structures.

Jean-Baptiste Lamarck's process of acquired characteristics would support the idea that if you run marathons and develop very strong leg muscles, your children would be born with very strong leg muscles.

According to the out-of-Africa hypothesis, when did Homo sapiens migrate to Europe and Asia?

In the out-of-Africa hypothesis, there was interbreeding between the ancestors of modern humans on three continents.

We do not have any fossils of unicellular prokaryotes. The first organisms to appear in the fossil record are unicellular eukaryotes.

Researchers use mitochondrial DNA sequences to study recent evolutionary events because changes occur in mitochondrial DNA more frequently than in nuclear DNA.

Miller's experiment showed that life could arise via chemical evolution.

Human Organization

Chemistery of Life

Cell Structure and Function

Torganization and Regulation of Body Systems

Cardiovascular System : Heart and Blood Vessels

Cardiovascular System : Blood

The Lumphatic and Immune Systems

Biology of Infectious Diseases

Digestive System and Nutrition

Respiratory System

Urinary System

Skeletal System

Muscular System

Nervous System

Senses

Endocring System

Reproductive System

Development and Aging

Patterns of Chromosome Inheritance

Cancer

Patterns of Genetic Inheritance

Dna Piology and Technology

Ecology and the Nature of Ecosystems

Hummen Interactions With the Biosphere

Filters