Question 1

Which is NOT a correct association of animal pigments?

Accepted Answer

A) Melanins-black or brown pigments 
B) Carotenoids-yellow and red pigments 
C) Iridiophores-blue and green pigments 
D) All of the choices are correct 
A) Melanins-black or brown pigments 
B) Carotenoids-yellow and red pigments 
C) Iridiophores-blue and green pigments 
D) All of the choices are correct

Question 2

Which of the following chemicals provides the "energy reserve" for muscle contraction?

Accepted Answer

A) Actin 
B) Myosin 
C) Creatine phosphate 
D) Troponin 
E) Calcium 
A) Actin 
B) Myosin 
C) Creatine phosphate 
D) Troponin 
E) Calcium

Question 3

How do cilia and flagella differ morphologically? Explain why this may be strictly a superficial distinction based on the internal structure and action of both types of membrane-bound organelles.

Accepted Answer

Cilia and flagella differ morphologicall

Question 4

Outline the basic sequence of chemical and physiological events involved in the contraction of a muscle fiber.

Accepted Answer

The basic sequence of chemical and physi

Question 5

Compact bone is composed of a matrix arranged in concentric rings;the rings contain cavities interconnected by small passages called

Accepted Answer

A) lacunae. 
B) osteocytes. 
C) canaliculi. 
D) osteons. 
E) haversian system. 
A) lacunae. 
B) osteocytes. 
C) canaliculi. 
D) osteons. 
E) haversian system.

Question 6

The ________ is part of the appendicular skeleton of a vertebrate.

Accepted Answer

A) neurocranium 
B) atlas 
C) humerus 
D) sacrum 
E) mandible 
A) neurocranium 
B) atlas 
C) humerus 
D) sacrum 
E) mandible

Question 7

The difference(s)between a cilium and flagellum is(are)

Accepted Answer

A) their internal structure and rate of beat. 
B) their internal and external structure. 
C) their external structure only. 
D) their size,number,and beating pattern. 
E) their primary source of energy. 
A) their internal structure and rate of beat. 
B) their internal and external structure. 
C) their external structure only. 
D) their size,number,and beating pattern. 
E) their primary source of energy.

Question 8

The most important protein contractile system is the

Accepted Answer

A) contractile vacuole. 
B) actomyosin system. 
C) ectoplasm-endoplasm system. 
D) flagellar system. 
E) microtubular system. 
A) contractile vacuole. 
B) actomyosin system. 
C) ectoplasm-endoplasm system. 
D) flagellar system. 
E) microtubular system.

Question 9

A motor unit is

Accepted Answer

A) the functional unit of smooth muscle. 
B) the whole muscle that is supplied by a motor nerve. 
C) only the muscle fibers it innervates. 
D) a motor neuron and all the muscle cells that it innervates. 
E) the part of a muscle cell that acts independently during muscle contraction. 
A) the functional unit of smooth muscle. 
B) the whole muscle that is supplied by a motor nerve. 
C) only the muscle fibers it innervates. 
D) a motor neuron and all the muscle cells that it innervates. 
E) the part of a muscle cell that acts independently during muscle contraction.

Question 10

The number of cervical vertebrae is nearly constant in all vertebrate animals,whether the neck is short or long.Explain this evolutionary phenomenon.

Accepted Answer

The nearly constant number of cervical v

Question 11

The thick filament of striated muscle is composed of the protein _____________.

Accepted Answer

The answer of The thick filament of striated muscle is...

Question 12

The reflective properties of surface tissue may form

Accepted Answer

A) organic pigments. 
B) structural colors such as iridescence. 
C) chromatophores. 
D) the melanin effect. 
E) None of the choices is correct. 
A) organic pigments. 
B) structural colors such as iridescence. 
C) chromatophores. 
D) the melanin effect. 
E) None of the choices is correct.

Question 13

In each myofibril of striated muscle,the sarcomere is the entire area between two ______ _______.

Accepted Answer

The answer of In each myofibril of striated muscle,the sarcomere...

Question 14

Cells become cornified when the fibrous protein ___________________ accumulates within the cells.

Accepted Answer

The answer of Cells become cornified when the fibrous protein...

Question 15

Compare the integument of an arthropod with that of a vertebrate.How are they different? How are they similar?

Accepted Answer

The integument of an arthropod, such as

Question 16

Which statement(s)about ribs is correct?

Accepted Answer

A) ribs prevent collapse of the lungs and help make negative pressure breathing possible. 
B) fishes have a pair of ribs for every vertebra. 
C) leopard frogs lack ribs altogether. 
D) most humans have 12 pairs of ribs but about one-in-twenty has a thirteenth pair. 
E) all of the choices are correct. 
A) ribs prevent collapse of the lungs and help make negative pressure breathing possible. 
B) fishes have a pair of ribs for every vertebra. 
C) leopard frogs lack ribs altogether. 
D) most humans have 12 pairs of ribs but about one-in-twenty has a thirteenth pair. 
E) all of the choices are correct.

Question 17

The epidermis of the vertebrate integument contains a tough,fibrous protein called

Accepted Answer

A) sclerotin. 
B) keratin. 
C) calcitin. 
D) dermatin. 
E) chitin. 
A) sclerotin. 
B) keratin. 
C) calcitin. 
D) dermatin. 
E) chitin.

Question 18

Outline the various layers of human skin.What function(s)does each layer perform? What layers does intensive sunburn affect?

Accepted Answer

The human skin is composed of three main

Question 19

Cervical,thoracic,lumbar,sacral,and caudal are

Accepted Answer

A) categories of body muscle. 
B) ways of walking. 
C) regions of the brain. 
D) regions of the vertebral column. 
E) types of bone tissues. 
A) categories of body muscle. 
B) ways of walking. 
C) regions of the brain. 
D) regions of the vertebral column. 
E) types of bone tissues.

Question 20

The type of muscle cell that allows some insects to achieve far faster wing beats than could be sustained with one-impulse-one-beat is ___________ muscle.

Accepted Answer

The answer of The type of muscle cell that allows...

Exam 29: Support, Protection, and Movement

Which is NOT a correct association of animal pigments?

Which of the following chemicals provides the "energy reserve" for muscle contraction?

How do cilia and flagella differ morphologically? Explain why this may be strictly a superficial distinction based on the internal structure and action of both types of membrane-bound organelles.

Outline the basic sequence of chemical and physiological events involved in the contraction of a muscle fiber.

Compact bone is composed of a matrix arranged in concentric rings;the rings contain cavities interconnected by small passages called

The ________ is part of the appendicular skeleton of a vertebrate.

The difference(s)between a cilium and flagellum is(are)

The most important protein contractile system is the

A motor unit is

The number of cervical vertebrae is nearly constant in all vertebrate animals,whether the neck is short or long.Explain this evolutionary phenomenon.

The thick filament of striated muscle is composed of the protein _____________.

The reflective properties of surface tissue may form

In each myofibril of striated muscle,the sarcomere is the entire area between two ______ _______.

Cells become cornified when the fibrous protein ___________________ accumulates within the cells.

Compare the integument of an arthropod with that of a vertebrate.How are they different? How are they similar?

Which statement(s)about ribs is correct?

The epidermis of the vertebrate integument contains a tough,fibrous protein called

Outline the various layers of human skin.What function(s)does each layer perform? What layers does intensive sunburn affect?

Cervical,thoracic,lumbar,sacral,and caudal are

The type of muscle cell that allows some insects to achieve far faster wing beats than could be sustained with one-impulse-one-beat is ___________ muscle.

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

In each myofibril of striated muscle,the sarcomere is the entire area between two _.