Exam 3 V3: BIOS 242/ BIOS242 Fundamentals
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
Tunicates (sea squirts) belong to the subphylum:
a. Chordata
b. Mammalia
c. Craniata
d. Urochordata
e. Cephalochordata
D) Tunicates belong to the subphylum Urochordata
Lymphatic vessels are very similar in form and function to which of the following?
a. Arteries
b. Capillaries
c. Veins
d. Bowman's Capsules
e. Bronchioles
C) Lymphatic vessels are very similar in form and function to veins
Which of the following cell types is responsible for rapidly initiating a secondary immune
response?
a. Suppressor T cells
b. Macrophages
c. T helper cells
, Exam 3 V3: BIOS 242/ BIOS242 Fundamentals
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
d. Memory cells
e. Mast cells
D) Memory cells are responsible for rapidly initiating a secondary immune response
Most of the oxygen is transported through the human body in which fashion?
a. Dissolved in the blood plasma
b. Dissolved in white blood cell cytoplasm
c. Bound to neon atoms attached to hemoglobin
d. As bicarbonate
e. Bound to the iron atom in hemoglobin
E) Most of the oxygen is transported through the human body bound to the iron atom in the
hemoglobin
Which of the following groups is/are gnathostomes?
a. Bony fish
b. Lampreys
c. Sea squirts
d. Hagfish
e. Two of the above answers are correct
A) Bony fish are gnathostomes
, Exam 3 V3: BIOS 242/ BIOS242 Fundamentals
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
The Chordate group that has a rasping tongue with teeth, cartilaginous skeleton, lacks jaws and
vertebrae, retains the notochord, no paired appendages, and one pair of semicircular canal
a. Lancelets
b. Chondrichthyes
c. Hagfish
d. Bony fish
e. Lampreys
C) Chordate group that has rasping tongue with teeth, cartilaginous skeleton, lacks jaws and
vertebrae, retains the notochord, no paired appendages, and one pair of semicircular canal are the
hagfish
A new species of vertebrate was discovered. It has a 3-chambered heart, lungs, scales made of
keratin, and limbs with five toes. Its entire life cycle occurs on land. A knowledgeable biologist
would also predict that it had:
a. Fur
b. Cartilaginous endoskeleton
c. An amniotic egg
d. Tunic of cellulose
e. Fins and an operculum
C) 3-chambered heart, lungs, scaled made of keratin, limbs with 5 toes: Amniotic egg
The innermost extraembryonic membrane that surrounds the embryo
a. Allantois
b. Chorion
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
Tunicates (sea squirts) belong to the subphylum:
a. Chordata
b. Mammalia
c. Craniata
d. Urochordata
e. Cephalochordata
D) Tunicates belong to the subphylum Urochordata
Lymphatic vessels are very similar in form and function to which of the following?
a. Arteries
b. Capillaries
c. Veins
d. Bowman's Capsules
e. Bronchioles
C) Lymphatic vessels are very similar in form and function to veins
Which of the following cell types is responsible for rapidly initiating a secondary immune
response?
a. Suppressor T cells
b. Macrophages
c. T helper cells
, Exam 3 V3: BIOS 242/ BIOS242 Fundamentals
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
d. Memory cells
e. Mast cells
D) Memory cells are responsible for rapidly initiating a secondary immune response
Most of the oxygen is transported through the human body in which fashion?
a. Dissolved in the blood plasma
b. Dissolved in white blood cell cytoplasm
c. Bound to neon atoms attached to hemoglobin
d. As bicarbonate
e. Bound to the iron atom in hemoglobin
E) Most of the oxygen is transported through the human body bound to the iron atom in the
hemoglobin
Which of the following groups is/are gnathostomes?
a. Bony fish
b. Lampreys
c. Sea squirts
d. Hagfish
e. Two of the above answers are correct
A) Bony fish are gnathostomes
, Exam 3 V3: BIOS 242/ BIOS242 Fundamentals
of Microbiology with Lab | Questions and verified
Answers |Latest 2026/ 2027 Update | Grade A|
100% Correct (100 OUT OF 100)—Chamberlain
The Chordate group that has a rasping tongue with teeth, cartilaginous skeleton, lacks jaws and
vertebrae, retains the notochord, no paired appendages, and one pair of semicircular canal
a. Lancelets
b. Chondrichthyes
c. Hagfish
d. Bony fish
e. Lampreys
C) Chordate group that has rasping tongue with teeth, cartilaginous skeleton, lacks jaws and
vertebrae, retains the notochord, no paired appendages, and one pair of semicircular canal are the
hagfish
A new species of vertebrate was discovered. It has a 3-chambered heart, lungs, scales made of
keratin, and limbs with five toes. Its entire life cycle occurs on land. A knowledgeable biologist
would also predict that it had:
a. Fur
b. Cartilaginous endoskeleton
c. An amniotic egg
d. Tunic of cellulose
e. Fins and an operculum
C) 3-chambered heart, lungs, scaled made of keratin, limbs with 5 toes: Amniotic egg
The innermost extraembryonic membrane that surrounds the embryo
a. Allantois
b. Chorion
