Question 1

Each striated muscle cell is

Accepted Answer

A) composed of keratin and collagen. 
B) a multi-nucleate cell. 
C) a fully-formed muscle. 
D) a myofilament. 
E) a fascicle. 
A) composed of keratin and collagen. 
B) a multi-nucleate cell. 
C) a fully-formed muscle. 
D) a myofilament. 
E) a fascicle.

Question 2

There is more than one type of skeletal muscle fiber in vertebrates.The red muscle fibers that are capable of slow,sustained contractions are the ________ ________ fibers.or

Accepted Answer

slow twitc

Question 3

Assume that we could successfully replace all the bone in the human body with a metal framework that was equivalent or better in withstanding stress and anchoring muscles.What functions of bone would not be accomplished with such a replacement and how would this affect our normal life?

Accepted Answer

While a metal framework may be able to w

Question 4

Why is the endoskeleton of vertebrates superior to the exoskeleton of insects when it comes to size? Discuss the physical limitations of each.

Accepted Answer

The endoskeleton of vertebrates is super

Question 5

In ectothermic vertebrates and crustaceans,pigments that provide color to animals are contained within large,branching cells called ___________________.

Accepted Answer

The answer of In ectothermic vertebrates and crustaceans,pigments that provide...

Question 6

All the skeletal muscle fibers under the control of a single motor nerve neuron form a ______ ______.

Accepted Answer

The answer of All the skeletal muscle fibers under the...

Question 7

The immediate source of energy in muscle is ______.

Accepted Answer

The answer of The immediate source of energy in muscle...

Question 8

Which best describes muscle action?

Accepted Answer

A) a nerve stimulus causes the muscle to jerk as a reflex response. 
B) a nerve stimulus releases ATP to provide energy for muscle contraction. 
C) the release of acetylcholine from the nerve junction flows across the muscle cell and the calcium released causes the actin and myosin molecules to spread apart. 
D) myosin and actin molecules will use ATP and catch-pull-release as long as nerve stimuli prevent troponin from blocking the action. 
E) none of the choices is correct. 
A) a nerve stimulus causes the muscle to jerk as a reflex response. 
B) a nerve stimulus releases ATP to provide energy for muscle contraction. 
C) the release of acetylcholine from the nerve junction flows across the muscle cell and the calcium released causes the actin and myosin molecules to spread apart. 
D) myosin and actin molecules will use ATP and catch-pull-release as long as nerve stimuli prevent troponin from blocking the action. 
E) none of the choices is correct.

Question 9

Bone tissue should be characterized as

Accepted Answer

A) merely nonliving secretions of calcium. 
B) a dead cell product similar to the keratin of hair. 
C) active tissue with a rich blood supply. 
D) a barely active,low metabolism,tissue. 
E) the equivalent of a calcium carbonate clam shell. 
A) merely nonliving secretions of calcium. 
B) a dead cell product similar to the keratin of hair. 
C) active tissue with a rich blood supply. 
D) a barely active,low metabolism,tissue. 
E) the equivalent of a calcium carbonate clam shell.

Question 10

Which skeletal features comprise the axial skeleton? The appendicular skeleton? Why are these skeletal features separated into two distinct categories? Is there any difference in the way they are formed?

Accepted Answer

The axial skeleton comprises the skull,

Question 11

The organization of a muscle,from largest unit to smallest,is

Accepted Answer

A) discrete muscle-fiber-fascicle-myofibrils-myofilaments. 
B) discrete muscle-myofibrils-myofilaments-fiber-fascicle. 
C) discrete muscle-fiber-fascicle-myofilaments-myofibrils. 
D) discrete muscle-fascicle-fiber-myofibrils-myofilaments. 
E) discrete muscle-fascicle-myofibrils-fiber-myofilaments. 
A) discrete muscle-fiber-fascicle-myofibrils-myofilaments. 
B) discrete muscle-myofibrils-myofilaments-fiber-fascicle. 
C) discrete muscle-fiber-fascicle-myofilaments-myofibrils. 
D) discrete muscle-fascicle-fiber-myofibrils-myofilaments. 
E) discrete muscle-fascicle-myofibrils-fiber-myofilaments.

Question 12

Dust on bookshelves and elsewhere in a house is made mostly of

Accepted Answer

A) dry mucous. 
B) white blood cells. 
C) dried sweat and uric acid crystals. 
D) dead skin cells. 
E) pulverized minerals and "dirt." 
A) dry mucous. 
B) white blood cells. 
C) dried sweat and uric acid crystals. 
D) dead skin cells. 
E) pulverized minerals and "dirt."

Question 13

Discuss the role and function of the fibrillar muscles of insects.What types of muscles are found in insect flight muscles? Do these differ from vertebrate skeletal muscles?

Accepted Answer

The fibrillar muscles of insects play a

Question 14

Bone that develops directly from sheets of embryonic cells and is mostly restricted to bones of the face and cranium,is called _______________ bone.

Accepted Answer

The answer of Bone that develops directly from sheets of...

Question 15

How does a hydrostatic skeleton differ from a structural skeleton? Is one form of skeleton superior to another,and if not,outline which skeleton may perform better under given conditions of environment,animal size,etc.

Accepted Answer

A hydrostatic skeleton differs from a st

Question 16

Describe the importance of tendons in energy storage during movement.

Accepted Answer

Tendons play a crucial role in energy st

Question 17

Outline the function of the two actin-binding proteins tropomyosin and troponin.

Accepted Answer

Tropomyosin and troponin are two crucial

Question 18

How does endochrondral bone differs from intramembranous (e.g. ,dermal)bone? List the general derivatives of each type of bone.

Accepted Answer

Endochondral bone and intramembranous (d

Question 19

Which is NOT a correct association of bone features?

Accepted Answer

A) Replacement bone-bone repair after a break 
B) Cancellous bone-first stage of all bone growth 
C) Compact bone-most dense form to withstand stress in long bones 
D) Intramembranous bone-from sheets of embryonic cells;mostly facial bones 
E) Endochondral bone-replaces cartilage 
A) Replacement bone-bone repair after a break 
B) Cancellous bone-first stage of all bone growth 
C) Compact bone-most dense form to withstand stress in long bones 
D) Intramembranous bone-from sheets of embryonic cells;mostly facial bones 
E) Endochondral bone-replaces cartilage

Question 20

At intervals along the actin strand of skeletal muscle is a complex of protein called ___________ that acts as a calcium-dependent switch.

Accepted Answer

The answer of At intervals along the actin strand of...

Exam 29: Support, Protection, and Movement

Each striated muscle cell is

There is more than one type of skeletal muscle fiber in vertebrates.The red muscle fibers that are capable of slow,sustained contractions are the ________ ________ fibers.or

Assume that we could successfully replace all the bone in the human body with a metal framework that was equivalent or better in withstanding stress and anchoring muscles.What functions of bone would not be accomplished with such a replacement and how would this affect our normal life?

Why is the endoskeleton of vertebrates superior to the exoskeleton of insects when it comes to size? Discuss the physical limitations of each.

In ectothermic vertebrates and crustaceans,pigments that provide color to animals are contained within large,branching cells called ___________________.

All the skeletal muscle fibers under the control of a single motor nerve neuron form a ______ ______.

The immediate source of energy in muscle is ______.

Which best describes muscle action?

Bone tissue should be characterized as

Which skeletal features comprise the axial skeleton? The appendicular skeleton? Why are these skeletal features separated into two distinct categories? Is there any difference in the way they are formed?

The organization of a muscle,from largest unit to smallest,is

Dust on bookshelves and elsewhere in a house is made mostly of

Discuss the role and function of the fibrillar muscles of insects.What types of muscles are found in insect flight muscles? Do these differ from vertebrate skeletal muscles?

Bone that develops directly from sheets of embryonic cells and is mostly restricted to bones of the face and cranium,is called _______________ bone.

How does a hydrostatic skeleton differ from a structural skeleton? Is one form of skeleton superior to another,and if not,outline which skeleton may perform better under given conditions of environment,animal size,etc.

Describe the importance of tendons in energy storage during movement.

Outline the function of the two actin-binding proteins tropomyosin and troponin.

How does endochrondral bone differs from intramembranous (e.g. ,dermal)bone? List the general derivatives of each type of bone.

Which is NOT a correct association of bone features?

At intervals along the actin strand of skeletal muscle is a complex of protein called ___________ that acts as a calcium-dependent switch.

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters

There is more than one type of skeletal muscle fiber in vertebrates.The red muscle fibers that are capable of slow,sustained contractions are the fibers.or

All the skeletal muscle fibers under the control of a single motor nerve neuron form a .