Describe the structure of the plasma membrane, according to the fluid mosaic model.

The plasma membrane consists of a lipid bilayer with embedded and attached proteins, which can drift within the membrane.

What is the function of the mitochondria?

The mitochondria are the site of aerobic respiration, where most of the cell's ATP is produced.

What are the key differences between endocrine and exocrine glands?

Endocrine glands are ductless and secrete hormones directly into the bloodstream. Exocrine glands have ducts and secrete their products (e.g., sweat, saliva) onto a surface or into a cavity.

Name the three types of fibers found in connective tissue and their functions.

Collagen fibers: Provide high tensile strength to the tissue. Elastic fibers: Allow for stretch and recoil. Reticular fibers: Provide a delicate, supportive framework.

What is the primary function of nervous tissue?

Nervous tissue is responsible for coordinating and controlling many body activities, including detecting stimuli and transmitting electrical impulses.

Which type of sweat gland is involved in thermoregulation?

Eccrine (or sudoriferous) glands are the primary sweat glands involved in thermoregulation, as their secretions cool the body.

What is the structural unit of compact bone?

The osteon (or Haversian system) is the structural unit of compact bone.

What role does parathyroid hormone (PTH) play in bone homeostasis?

When blood calcium levels are low, the parathyroid gland releases PTH, which stimulates osteoclasts to resorb bone and release calcium into the blood.

What is the function of melanocytes?

Melanocytes produce melanin, a pigment that protects the skin from ultraviolet (UV) radiation.

Differentiate between passive and active transport.

Passive transport moves substances down their concentration gradient without requiring cellular energy (e.g., diffusion, osmosis). Active transport moves substances against their concentration gradient and requires the cell to expend energy (e.g., ATP).

What is the function of hyaline cartilage and where is it found?

Hyaline cartilage provides support with some flexibility, reduces friction, and absorbs shock. It is found in the nose, ribs, and articular surfaces of many joints.

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Earlean Ross

Anatomy 3-6

Question	Answer
Describe the structure of the plasma membrane, according to the fluid mosaic model.	The plasma membrane consists of a lipid bilayer with embedded and attached proteins, which can drift within the membrane.
What is the function of the mitochondria?	The mitochondria are the site of aerobic respiration, where most of the cell's ATP is produced.
What are the key differences between endocrine and exocrine glands?	Endocrine glands are ductless and secrete hormones directly into the bloodstream. Exocrine glands have ducts and secrete their products (e.g., sweat, saliva) onto a surface or into a cavity.
Name the three types of fibers found in connective tissue and their functions.	Collagen fibers: Provide high tensile strength to the tissue. Elastic fibers: Allow for stretch and recoil. Reticular fibers: Provide a delicate, supportive framework.
What is the primary function of nervous tissue?	Nervous tissue is responsible for coordinating and controlling many body activities, including detecting stimuli and transmitting electrical impulses.
Which type of sweat gland is involved in thermoregulation?	Eccrine (or sudoriferous) glands are the primary sweat glands involved in thermoregulation, as their secretions cool the body.
What is the structural unit of compact bone?	The osteon (or Haversian system) is the structural unit of compact bone.
What role does parathyroid hormone (PTH) play in bone homeostasis?	When blood calcium levels are low, the parathyroid gland releases PTH, which stimulates osteoclasts to resorb bone and release calcium into the blood.
What is the function of melanocytes?	Melanocytes produce melanin, a pigment that protects the skin from ultraviolet (UV) radiation.
Differentiate between passive and active transport.	Passive transport moves substances down their concentration gradient without requiring cellular energy (e.g., diffusion, osmosis). Active transport moves substances against their concentration gradient and requires the cell to expend energy (e.g., ATP).
What is the function of hyaline cartilage and where is it found?	Hyaline cartilage provides support with some flexibility, reduces friction, and absorbs shock. It is found in the nose, ribs, and articular surfaces of many joints.

Created by: user-1991232

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