Podcast
Questions and Answers
Which cellular component is primarily responsible for synthesizing lipids and aiding in detoxification processes?
Which cellular component is primarily responsible for synthesizing lipids and aiding in detoxification processes?
- Smooth Endoplasmic Reticulum (correct)
- Rough Endoplasmic Reticulum
- Mitochondria
- Golgi Apparatus
If a cell lacked ribosomes, what critical process would it be unable to perform?
If a cell lacked ribosomes, what critical process would it be unable to perform?
- Protein synthesis (correct)
- Lipid synthesis
- Energy production
- Waste breakdown
Which type of tissue is characterized by cells that are flat and typically found in areas requiring protection, such as skin?
Which type of tissue is characterized by cells that are flat and typically found in areas requiring protection, such as skin?
- Connective Tissue
- Columnar Epithelial Tissue
- Cuboidal Epithelial Tissue
- Squamous Epithelial Tissue (correct)
What is the primary difference between cardiac muscle and smooth muscle?
What is the primary difference between cardiac muscle and smooth muscle?
Which of the following structures is NOT found in animal cells?
Which of the following structures is NOT found in animal cells?
What is the main function of the Golgi apparatus in a eukaryotic cell?
What is the main function of the Golgi apparatus in a eukaryotic cell?
In which type of tissue would you find cells that are cube-shaped and often specialized for secretion, such as in glands?
In which type of tissue would you find cells that are cube-shaped and often specialized for secretion, such as in glands?
Which tissue type is responsible for transporting oxygen and nutrients throughout the body?
Which tissue type is responsible for transporting oxygen and nutrients throughout the body?
What is the primary role of the large central vacuole in plant cells?
What is the primary role of the large central vacuole in plant cells?
Which feature distinguishes eukaryotic cells from prokaryotic cells?
Which feature distinguishes eukaryotic cells from prokaryotic cells?
Flashcards
Cell membrane
Cell membrane
Controls what enters and exits the cell.
Cell DNA
Cell DNA
Contains hereditary information (genetic code).
Cell Metabolism
Cell Metabolism
Chemical reactions that generate energy within cells.
Prokaryotic Cells
Prokaryotic Cells
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Eukaryotic Cells
Eukaryotic Cells
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Plant Cell Wall
Plant Cell Wall
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Chloroplasts
Chloroplasts
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Central Vacuole
Central Vacuole
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Mitochondria
Mitochondria
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Golgi Apparatus
Golgi Apparatus
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Study Notes
- All cells have a membrane, DNA, and carry out metabolism
- The membrane controls what enters and exits the cell
- DNA stores hereditary information
- Metabolism involves chemical reactions for energy
Cell Types
- Prokaryotic cells do not have a nucleus, bacteria are prokaryotic
- Eukaryotic cells have a nucleus
- Protists, fungi, plants, and animals are eukaryotic
Plant Cells
- Plant cells have a cell wall for structure and support
- Plant cells contain chloroplasts for photosynthesis
- Plant cells have a large central vacuole for water and nutrient storage
Animal Cells
- Animal cells lack a cell wall
- Animal cells contain lysosomes and peroxisomes for breaking down waste
Eukaryotic Cell Organelles
- Mitochondria produce energy
- Rough ER has ribosomes and makes proteins
- Smooth ER lacks ribosomes, synthesizes lipids, and detoxifies
- The Golgi Apparatus packages and distributes proteins
- Ribosomes synthesize proteins
Tissue Types
- Histology is the study of tissues
- There are four main tissue types: epithelial, muscle, connective, and nervous
Epithelial Tissue
- Epithelial tissue covers and protects
- Squamous cells are flat, like skin cells
- Cuboidal cells are cube-shaped, like those in glands
- Columnar cells are tall and rectangular, such as those lining the digestive system
Muscle Tissue
- Muscle tissue facilitates movement
- Skeletal muscle is striated, voluntary, and controls movements
- An example of skeletal muscle is the biceps
- Smooth muscle is involuntary
- Smooth muscle is found in the digestive system
- Cardiac muscle is found in the heart and contracts involuntarily
Connective Tissue
- Connective tissue supports and transports
- Tendons, blood, adipose tissue (fat), and bone are connective tissues
- Blood transports oxygen and nutrients
- Adipose tissue stores energy
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