Exam 1/2 Anatomy and Physiology : Cell Structure
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
Key Terms
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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| Term | Definition |
|---|---|
What are the three parts of all human cells? | Cytoplasmic membrane (plasma membrane) |
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 |
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 |
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 |