Question 1

Which of the following invertebrates has an endoskeleton?

Accepted Answer

A)  clams 
B)  lobsters 
C)  sea stars 
D)  earthworms 
E)  more than one of these invertebrates has an endoskeleton 
A)  clams 
B)  lobsters 
C)  sea stars 
D)  earthworms 
E)  more than one of these invertebrates has an endoskeleton

Question 2

In muscle contraction,which of the following triggers the power stroke?

Accepted Answer

A)  release of Pi from the myosin head 
B)  binding of ATP to the myosin head 
C)  hydrolysis of ATP into ADP and Pi 
D)  cross-bridge formation between actin and myosin 
E)  relaxation of the sarcomere 
A)  release of Pi from the myosin head 
B)  binding of ATP to the myosin head 
C)  hydrolysis of ATP into ADP and Pi 
D)  cross-bridge formation between actin and myosin 
E)  relaxation of the sarcomere

Question 3

Which of the following animals has an exoskeleton?

Accepted Answer

A)  leeches 
B)  frogs 
C)  crabs 
D)  roundworms 
E)  more than one of these animals has an exoskeleton 
A)  leeches 
B)  frogs 
C)  crabs 
D)  roundworms 
E)  more than one of these animals has an exoskeleton

Question 4

When a new molecule of ATP binds to the _____ head,the cross-bridge between actin and
myosin _____.

Accepted Answer

The answer of When a new molecule of ATP binds...

Question 5

Which human bone is the largest?

Accepted Answer

A)  humerus 
B)  femur 
C)  ulna 
D)  tibia 
E)  radius 
A)  humerus 
B)  femur 
C)  ulna 
D)  tibia 
E)  radius

Question 6

Classification.The statements ask about characteristics associated with the various types of joints.For each one,select the best choice from the following types of joints and joint structures.
a.synovial joint
b.fibrous joint
c.cartilaginous joint
d.true of all joints
e.not true of any joints
-ball-and-socket is a type of this kind of joint

Accepted Answer

The answer of Classification.The statements ask about characteristics associated with...

Question 7

What structures are found between the vertebrae?

Accepted Answer

A)  cartilage 
B)  tendons 
C)  fibrous connective tissue 
D)  ligaments 
E)  bone marrow 
A)  cartilage 
B)  tendons 
C)  fibrous connective tissue 
D)  ligaments 
E)  bone marrow

Question 8

Which hormone increases muscle mass?

Accepted Answer

A)  progesterone 
B)  estrogen 
C)  luteinizing hormone 
D)  testosterone 
E)  more than one of these 
A)  progesterone 
B)  estrogen 
C)  luteinizing hormone 
D)  testosterone 
E)  more than one of these

Question 9

When a muscle fiber is relaxed,why can't myosin bind to actin?

Accepted Answer

A)  ATP is not present 
B)  the myosin binding site on actin is blocked 
C)  the myosin head is in the wrong shape for binding 
D)  the actin is in the wrong orientation for myosin binding 
E)  the myosin head is 180 degrees from its attachment configuration 
A)  ATP is not present 
B)  the myosin binding site on actin is blocked 
C)  the myosin head is in the wrong shape for binding 
D)  the actin is in the wrong orientation for myosin binding 
E)  the myosin head is 180 degrees from its attachment configuration

Question 10

Classification.The statements ask about characteristics associated with the various types of joints.For each one,select the best choice from the following types of joints and joint structures.
a.synovial joint
b.fibrous joint
c.cartilaginous joint
d.true of all joints
e.not true of any joints
-connection between two cranial bones

Accepted Answer

The answer of Classification.The statements ask about characteristics associated with...

Question 11

Which human bone is found in the pectoral girdle?

Accepted Answer

A)  clavicle 
B)  humerus 
C)  radius 
D)  sternum 
E)  tibia 
A)  clavicle 
B)  humerus 
C)  radius 
D)  sternum 
E)  tibia

Question 12

What is a disadvantage to having an exoskeleton?

Accepted Answer

A)  muscles do not work effectively 
B)  the body tissues are unprotected by it 
C)  it does not grow with the animal 
D)  it prevents the possibility of flying 
E)  more than one of these is a disadvantage to an exoskeleton 
A)  muscles do not work effectively 
B)  the body tissues are unprotected by it 
C)  it does not grow with the animal 
D)  it prevents the possibility of flying 
E)  more than one of these is a disadvantage to an exoskeleton

Question 13

Which of the following is NOT found in a femur?

Accepted Answer

A)  spongy bone 
B)  compact bone 
C)  connective tissue 
D)  collagen 
E)  all of these are found in a femur 
A)  spongy bone 
B)  compact bone 
C)  connective tissue 
D)  collagen 
E)  all of these are found in a femur

Question 14

Bone mass typically increases until we turn

Accepted Answer

A)  10. 
B)  15. 
C)  25. 
D)  35. 
E)  45. 
A)  10. 
B)  15. 
C)  25. 
D)  35. 
E)  45.

Question 15

In a muscle contraction event,what causes the release of calcium from its endoplasmic reticulum?

Accepted Answer

A)  the hydrolysis of ATP 
B)  the formation of ATP 
C)  the formation of the actin-myosin cross-bridge 
D)  a signal from a motor neuron 
E)  the shortening of the sarcomere 
A)  the hydrolysis of ATP 
B)  the formation of ATP 
C)  the formation of the actin-myosin cross-bridge 
D)  a signal from a motor neuron 
E)  the shortening of the sarcomere

Question 16

Why are girls less likely than boys to suffer from Duchenne muscular dystrophy?

Accepted Answer

A)  girls have less testosterone than boys 
B)  they are protected as heterozygotes 
C)  they do not have a Y chromosome 
D)  girls are NOT less likely to suffer from Duchenne muscular dystrophy than boys 
E)  a combination of more than one of the first three answers is correct 
A)  girls have less testosterone than boys 
B)  they are protected as heterozygotes 
C)  they do not have a Y chromosome 
D)  girls are NOT less likely to suffer from Duchenne muscular dystrophy than boys 
E)  a combination of more than one of the first three answers is correct

Question 17

Classification.The statements ask about characteristics associated with types of bones and bone marrows.For each one,select the best choice from the following types of bones and bone marrow.
 a.compact bone
b.spongy bone
c.both spongy bone and compact bone
d.neither spongy bone or compact bone
-has marrow composed of adipose tissue

Accepted Answer

The answer of Classification.The statements ask about characteristics associated with...

Question 18

Classification.The statements ask about characteristics associated with the various types of joints.For each one,select the best choice from the following types of joints and joint structures.
a.synovial joint
b.fibrous joint
c.cartilaginous joint
d.true of all joints
e.not true of any joints
-connective tissue holds bones of these joints together

Accepted Answer

The answer of Classification.The statements ask about characteristics associated with...

Question 19

When muscles contract,the opposing muscle will

Accepted Answer

A)  pull. 
B)  push. 
C)  contract. 
D)  relax. 
E)  shorten. 
A)  pull. 
B)  push. 
C)  contract. 
D)  relax. 
E)  shorten.

Question 20

Classification.The statements ask about the various types of skeletons found in animals.For each one,select the best choice from the following three types of skeletons.
a.hydrostatic skeleton
b.exoskeleton
c.endoskeleton
-found in all vertebrates

Accepted Answer

The answer of Classification.The statements ask about the various types...

Exam 20: How Animals Move

Which of the following invertebrates has an endoskeleton?

In muscle contraction,which of the following triggers the power stroke?

Which of the following animals has an exoskeleton?

When a new molecule of ATP binds to the _____ head,the cross-bridge between actin and myosin _____.

Which human bone is the largest?

What structures are found between the vertebrae?

Which hormone increases muscle mass?

When a muscle fiber is relaxed,why can't myosin bind to actin?

Which human bone is found in the pectoral girdle?

What is a disadvantage to having an exoskeleton?

Which of the following is NOT found in a femur?

Bone mass typically increases until we turn

In a muscle contraction event,what causes the release of calcium from its endoplasmic reticulum?

Why are girls less likely than boys to suffer from Duchenne muscular dystrophy?

When muscles contract,the opposing muscle will

Classification.The statements ask about the various types of skeletons found in animals.For each one,select the best choice from the following three types of skeletons. a.hydrostatic skeleton b.exoskeleton c.endoskeleton -found in all vertebrates

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

DNA Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

Filters

When a new molecule of ATP binds to the _ head,the cross-bridge between actin and myosin _.