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Exam 1/2 Anatomy and Physiology : Cell Structure

Anatomy and Physiology22 CardsCreated 3 months ago

This flashcard set reviews the three essential parts of all human cells: the plasma membrane, cytoplasm, and nucleus. These components work together to protect, support, and control cellular function.

What are the three parts of all human cells?


Cytoplasmic membrane (plasma membrane)
Cytoplasm
Nucleus

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Key Terms

Term
Definition

What are the three parts of all human cells?


Cytoplasmic membrane (plasma membrane)
Cytoplasm
Nucleus

What is the function of the cytoplasmic membrane?


To enclose and support cell contents


_____ describe substances outside of cells.


Extracellular


_____ describe substances between cells.


Intercellular


_______ describe substances inside cells.


Intracellular


The _____ lies between the cytoplasmic membrane and the nucleus.


Cytoplasm

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TermDefinition

What are the three parts of all human cells?


Cytoplasmic membrane (plasma membrane)
Cytoplasm
Nucleus

What is the function of the cytoplasmic membrane?


To enclose and support cell contents


_____ describe substances outside of cells.


Extracellular


_____ describe substances between cells.


Intercellular


_______ describe substances inside cells.


Intracellular


The _____ lies between the cytoplasmic membrane and the nucleus.


Cytoplasm

What is the smooth endoplasmic reticulum?


It is found in cells that handle or manufacture fatty substances
Participates in the detoxification of the cells

What is the role of the ribosomes?


It is where protein is synthesized and where RNA is created


What is the function of the golgi apparatus?


It concentrates and packages materials for secretion from the cell

What are lysosomes?


Membranous-walled organelles

Contain enzymes enabling them to function as intracellular digestive systems

What organelle in the cell produces aerobic energy for the cell?


Mitochondria


What type of cell contains a nucleus?


Eukaryotes

What type of cell does not contain a nucleus?


Prokaryotes

Sex cells reproduce via ____


Meiosis

All human cells reproduce via _____


Mitosis


What types of cells divide throughout the entire life span?


Epithelial
Liver
Bone marrow

What types of cells divide until birth?


Nerve

Skeletal muscle

___ are the most basic unit of life.


Cells


The cytoplasmic membrane is made of:


Fat


What are the two substances that move through the cytoplasmic membrane the fastest?


Fat

Alcohol


Where does the Krebs cycle occur?


Mitochondria


Krebs cycle requires what two ingredients?


Starch

Oxygen