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Home Q & A Board Biology-Related Homework Help Cell Biology
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What canals connect lacunae together?A) canaliculiB) central canalsC) perforating (Volkmann's) ...
What canals connect lacunae together?A) canaliculiB) central canalsC) perforating (Volkmann's) ...
What canals connect lacunae together?
A) canaliculi
B) central canals
C) perforating (Volkmann's) canals
D) central (Haversian) canals
Cali Fornia   86   3 Replies
Medium
5 days ago
Were you able to see the nucleus in the elodea(water plant) cell?
Were you able to see the nucleus in the elodea(water plant) cell?
c.near the cell wall 
b. at the center of the cell   
d. near the top of the cell   
a. outside the cell
Joelleskalembe   31   1 Reply
6 days ago
Are egg and sperm cells considered embryonic cells?
Are egg and sperm cells considered embryonic cells?
Embryonic cells.. are these basically just egg an sperm cells?
trishasales714   26   1 Reply
A week ago
Organisms that can maintain a fairly consistent internal body temperature through metabolic ...
Organisms that can maintain a fairly consistent internal body temperature through metabolic ...
Organisms that can maintain a fairly consistent internal body temperature through metabolic reactions are known as ________.
tyressjones   66   2 Replies
A week ago
The ability to maintain an internal environment within specific ranges is referred to as ________.
The ability to maintain an internal environment within specific ranges is referred to as ________.
The ability to maintain an internal environment within specific ranges is referred to as ________.
tyressjones   57   2 Replies
A week ago
The blood vessels that provide nourishment for the skin cells are located in the dermis only. True ...
The blood vessels that provide nourishment for the skin cells are located in the dermis only. True ...
The blood vessels that provide nourishment for the skin cells are located in the dermis only. True or False?
tyressjones   93   2 Replies
A week ago
The outer layer of the skin is the dermis. True or False?
The outer layer of the skin is the dermis. True or False?
The outer layer of the skin is the dermis. True or False?
tyressjones   48   2 Replies
A week ago
The dermis of the skin is composed of stratified epithelium. True or False?
The dermis of the skin is composed of stratified epithelium. True or False?
The dermis of the skin is composed of stratified epithelium. True or False?
tyressjones   44   2 Replies
A week ago
Glial cells provide structural and chemical support to neurons. True or False?
Glial cells provide structural and chemical support to neurons. True or False?
Glial cells provide structural and chemical support to neurons. True or False?
tyressjones   62   2 Replies
A week ago
Connective tissues are made up of cells surrounded by an extracellular matrix, the consistency of ...
Connective tissues are made up of cells surrounded by an extracellular matrix, the consistency of ...
Connective tissues are made up of cells surrounded by an extracellular matrix, the consistency of which can vary from a liquid to a solid. True or False?
tyressjones   56   2 Replies
A week ago
The basement membrane of epithelial tissues produces a waterproof barrier of cells to protect the ...
The basement membrane of epithelial tissues produces a waterproof barrier of cells to protect the ...
The basement membrane of epithelial tissues produces a waterproof barrier of cells to protect the tissue above it. True or False?
tyressjones   44   2 Replies
A week ago
The extracellular matrix in dense connective tissue contains large amounts of calcium, which causes ...
The extracellular matrix in dense connective tissue contains large amounts of calcium, which causes ...
The extracellular matrix in dense connective tissue contains large amounts of calcium, which causes the tissue to harden and become solid. True or False?
tyressjones   61   2 Replies
A week ago
Hormones are secreted by exocrine glands directly into a body cavity or onto a body surface, rather ...
Hormones are secreted by exocrine glands directly into a body cavity or onto a body surface, rather ...
Hormones are secreted by exocrine glands directly into a body cavity or onto a body surface, rather than being transported by the blood. True or False?
tyressjones   40   2 Replies
A week ago
Cardiac muscle requires input from the nervous system to contract. True or False?
Cardiac muscle requires input from the nervous system to contract. True or False?
Cardiac muscle requires input from the nervous system to contract. True or False?
tyressjones   73   2 Replies
A week ago
The integumentary system plays a role in temperature regulation. True or False?
The integumentary system plays a role in temperature regulation. True or False?
The integumentary system plays a role in temperature regulation. True or False?
tyressjones   48   2 Replies
A week ago
When an animal's body temperature drops below normal, the body responds to raise the temperature ...
When an animal's body temperature drops below normal, the body responds to raise the temperature ...
When an animal's body temperature drops below normal, the body responds to raise the temperature using positive feedback loops. True or False?
tyressjones   55   2 Replies
A week ago
Maintaining homeostasis requires the coordinated efforts of multiple negative feedback loops. True ...
Maintaining homeostasis requires the coordinated efforts of multiple negative feedback loops. True ...
Maintaining homeostasis requires the coordinated efforts of multiple negative feedback loops. True or False?
tyressjones   64   2 Replies
A week ago
Most of the homeostatic functions in the body are regulated by positive feedback loops. True or ...
Most of the homeostatic functions in the body are regulated by positive feedback loops. True or ...
Most of the homeostatic functions in the body are regulated by positive feedback loops. True or False?
tyressjones   32   2 Replies
A week ago
Due to the freezing temperatures of the deep ocean, all deep-sea fish must be endotherms. True or ...
Due to the freezing temperatures of the deep ocean, all deep-sea fish must be endotherms. True or ...
Due to the freezing temperatures of the deep ocean, all deep-sea fish must be endotherms. True or False?
tyressjones   64   2 Replies
A week ago
The maintenance of internal conditions within narrow ranges is known as homeostasis. True or False?
The maintenance of internal conditions within narrow ranges is known as homeostasis. True or False?
The maintenance of internal conditions within narrow ranges is known as homeostasis. True or False?
tyressjones   50   2 Replies
A week ago
Which tissue type is most suited to areas of the body in which the cells need continuous replacement ...
Which tissue type is most suited to areas of the body in which the cells need continuous replacement ...
Which tissue type is most suited to areas of the body in which the cells need continuous replacement to repair damage from daily wear and tear?
A) Epithelial
B) Connective
C) Nerve
D) Muscle
tyressjones   45   2 Replies
A week ago
In addition to the nervous system, which vertebrate organ system controls physiological processes in ...
In addition to the nervous system, which vertebrate organ system controls physiological processes in ...
In addition to the nervous system, which vertebrate organ system controls physiological processes in animals?
A) Reproductive
B) Skeletal
C) Muscular
D) Endocrine
E) Respiratory
tyressjones   50   2 Replies
A week ago
The ________ system is composed of the kidneys, ureters, bladder, and urethra.A) digestiveB) ...
The ________ system is composed of the kidneys, ureters, bladder, and urethra.A) digestiveB) ...
The ________ system is composed of the kidneys, ureters, bladder, and urethra.
A) digestive
B) reproductive
C) respiratory
D) circulatory
E) urinary
tyressjones   51   2 Replies
A week ago
Together, the stomach, intestines, mouth, and esophagus form a(n)A) organ.B) tissue.C) cell.D) organ ...
Together, the stomach, intestines, mouth, and esophagus form a(n)A) organ.B) tissue.C) cell.D) organ ...
Together, the stomach, intestines, mouth, and esophagus form a(n)
A) organ.
B) tissue.
C) cell.
D) organ system.
E) ectotherm.
tyressjones   57   2 Replies
A week ago
The skin is an example of a(n)A) cell.B) tissue.C) organ.D) organ system.E) undifferentiated mass.
The skin is an example of a(n)A) cell.B) tissue.C) organ.D) organ system.E) undifferentiated mass.
The skin is an example of a(n)
A) cell.
B) tissue.
C) organ.
D) organ system.
E) undifferentiated mass.
tyressjones   54   2 Replies
A week ago
Hair follicles are a variation of ________ tissue.A) epithelialB) dense connectiveC) muscleD) loose ...
Hair follicles are a variation of ________ tissue.A) epithelialB) dense connectiveC) muscleD) loose ...
Hair follicles are a variation of ________ tissue.
A) epithelial
B) dense connective
C) muscle
D) loose connective
E) nerve
tyressjones   30   2 Replies
A week ago
The retina of the eye responds to light, converting it into electrical impulses. The retina is made ...
The retina of the eye responds to light, converting it into electrical impulses. The retina is made ...
The retina of the eye responds to light, converting it into electrical impulses. The retina is made up of
A) bone.
B) cartilage.
C) smooth muscle.
D) neurons.
E) simple epithelium.
tyressjones   54   2 Replies
A week ago
Which cells are designed to conduct electrical impulses?A) Glial cellsB) Skeletal muscle cellsC) ...
Which cells are designed to conduct electrical impulses?A) Glial cellsB) Skeletal muscle cellsC) ...
Which cells are designed to conduct electrical impulses?
A) Glial cells
B) Skeletal muscle cells
C) Nerve tissue
D) Connective tissue
E) Adipose cells
tyressjones   45   2 Replies
A week ago
When you move your fingers to turn the page, you are using the nervous system andA) skeletal ...
When you move your fingers to turn the page, you are using the nervous system andA) skeletal ...
When you move your fingers to turn the page, you are using the nervous system and
A) skeletal muscle.
B) adipose tissue.
C) cardiac muscle.
D) simple epithelium.
E) endocrine glands.
tyressjones   33   2 Replies
A week ago
Connective tissues include lymph, ligaments, tendons, andA) cardiac muscle.B) exocrine glands.C) ...
Connective tissues include lymph, ligaments, tendons, andA) cardiac muscle.B) exocrine glands.C) ...
Connective tissues include lymph, ligaments, tendons, and
A) cardiac muscle.
B) exocrine glands.
C) skin cells.
D) cartilage.
E) vessel linings.
tyressjones   35   2 Replies
A week ago
Which tissue is in direct contact with the external environment of an animal?A) ConnectiveB) ...
Which tissue is in direct contact with the external environment of an animal?A) ConnectiveB) ...
Which tissue is in direct contact with the external environment of an animal?
A) Connective
B) Epithelial
C) Muscle
D) Nerve
E) Endothelial
tyressjones   47   2 Replies
A week ago
Which tissue contains large amounts of densely packed collagen fibers that run parallel to each ...
Which tissue contains large amounts of densely packed collagen fibers that run parallel to each ...
Which tissue contains large amounts of densely packed collagen fibers that run parallel to each other?
A) Nerve
B) Adipose
C) Blood
D) Lymph
E) Tendons
tyressjones   32   2 Replies
A week ago
Which type of muscle is under voluntary control?A) SmoothB) CardiacC) EpithelialD) SkeletalE) Oxygen ...
Which type of muscle is under voluntary control?A) SmoothB) CardiacC) EpithelialD) SkeletalE) Oxygen ...
Which type of muscle is under voluntary control?
A) Smooth
B) Cardiac
C) Epithelial
D) Skeletal
E) Oxygen enriched
tyressjones   34   2 Replies
A week ago
How are cardiac and smooth muscles similar?A) Both have only thin protein filaments.B) Both are ...
How are cardiac and smooth muscles similar?A) Both have only thin protein filaments.B) Both are ...
How are cardiac and smooth muscles similar?
A) Both have only thin protein filaments.
B) Both are typically under conscious control.
C) Both are involuntary.
D) Both are connected to bones.
E) Both use cAMP as an energy sourc
tyressjones   53   2 Replies
A week ago
Which tissue helps endotherms maintain body temperature?A) AdiposeB) BoneC) CartilageD) Dense ...
Which tissue helps endotherms maintain body temperature?A) AdiposeB) BoneC) CartilageD) Dense ...
Which tissue helps endotherms maintain body temperature?
A) Adipose
B) Bone
C) Cartilage
D) Dense connective
E) Simple epithelium
tyressjones   46   2 Replies
A week ago
Which of the following tissues is used for energy storage?A) AdiposeB) BloodC) CartilageD) Dense ...
Which of the following tissues is used for energy storage?A) AdiposeB) BloodC) CartilageD) Dense ...
Which of the following tissues is used for energy storage?
A) Adipose
B) Blood
C) Cartilage
D) Dense connective
E) Epithelial
tyressjones   51   2 Replies
A week ago
Cartilage, bone, and blood are examples of ________ tissue.A) muscleB) nerveC) connectiveD) ...
Cartilage, bone, and blood are examples of ________ tissue.A) muscleB) nerveC) connectiveD) ...
Cartilage, bone, and blood are examples of ________ tissue.
A) muscle
B) nerve
C) connective
D) epithelial
E) undifferentiated
tyressjones   49   2 Replies
A week ago
Widely scattered cells embedded in large amounts of extracellular material composed of randomly ...
Widely scattered cells embedded in large amounts of extracellular material composed of randomly ...
Widely scattered cells embedded in large amounts of extracellular material composed of randomly arranged collagen fibers make up
A) loose connective tissue.
B) cardiac muscle.
C) adipose tissue.
D) dense connective tissue.
E)
tyressjones   42   2 Replies
A week ago
Large amounts of extracellular material are characteristic ofA) simple epithelium.B) stratified ...
Large amounts of extracellular material are characteristic ofA) simple epithelium.B) stratified ...
Large amounts of extracellular material are characteristic of
A) simple epithelium.
B) stratified epithelium.
C) loose connective tissue.
D) nervous tissue.
E) smooth muscle.
tyressjones   41   2 Replies
A week ago
The pads that cushion the vertebrae are made ofA) bone.B) cartilage.C) matrix.D) fat.E) smooth ...
The pads that cushion the vertebrae are made ofA) bone.B) cartilage.C) matrix.D) fat.E) smooth ...
The pads that cushion the vertebrae are made of
A) bone.
B) cartilage.
C) matrix.
D) fat.
E) smooth muscle tissue.
tyressjones   43   2 Replies
A week ago
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Home Q & A Board Biology-Related Homework Help Cell Biology