Book Title:
Author(s):
Some examples from this set of practice questions
1.
Cell Wall
Answer: - Provides structural support - Prevents cell from bursting/shrinking in different environments - PLANTS ONLY
2.
Chloroplast
Answer: - Photosynthesis occurs in here - Converts energy from the sun into stored energy for cell - Green - PLANTS ONLY
3.
Lysosome
Answer: - Breaks down and recycles old organelles - ANIMALS ONLY
4.
Centrioles
Answer: - Assembles and coordinates the activity of spindle fibres during cell division - ANIMALS ONLY
5.
Cilia & Flagella
Answer: - Enables cell movement Cilia = wave-like motion Flagella = whip-like motion - ANIMALS ONLY
Some examples from this set of practice questions
1.
What is a Karyotype?
Answer: - Photo of a cell\'s chromosomes - Can detect potential genetic disorders
2.
What are Genetic Disorders?
Answer: - Caused by abnormalities in a person\'s DNA
3.
How does Genetic Engineering work?
Answer: - Scientists can combine DNA from different species to produce organisms with new characteristics == Produces Genetically Modified Organisms (GMOs)/transgenic organisms
4.
What are Mutations?
Answer: - A change in the DNA of an organism (missing/extra nucleotide or chromosome)
5.
Causes of Mutations
Answer: - May be caused by mutagens == (Ex: Radiation, chemicals) - Inherited
Some examples from this set of practice questions
1.
Cell Hierarchy (organelles, systems etc.)
Answer: 5. Organelles 4. Cells 3. Tissues 2. Organs 1. Systems
2.
What do Organelles do?
Answer: - Specialize to perform a task within a cell
3.
What do Cells do?
Answer: - Specialize to perform a task
4.
What are tissues?
Answer: - A collection of cells performing the same task
5.
What are Organs?
Answer: - A collection of tissues to perform a more complex task
Some examples from this set of practice questions
1.
What is Cellular Differentiation
Answer: - When the cell specializes to carry out a specific role
2.
What are Cells that don\'t differentiate
Answer: - Organisms have permanent unspecialized cells that enable them to grow and repair - Animals have Stem Cells - Plants have Meristem Cells
3.
Stages of Stem Cells
Answer: 1. Embryos have TOTIPOTENT stem cells (embryonic stem cells) 2. PLURIPOTENT stem cells can become many types of cells in the body 3. ADULT stem cells can only produce specific types of cells within an organ (Ex: Only bone marrow stem cells can repair bone)
4.
Applications of Stem Cells
Answer: - Medical treatment by repairing & replacing damaged cells
5.
Plant tissues are often formed in _____ within the plant\'s organs
Answer: Plant tissues are often formed in LAYERS within the plant\'s organs
Some examples from this set of practice questions
1.
What are the Functions of the Digestive System?
Answer: 1. Ingestion 2. Mechanically and chemically breakdown food to be absorbed 3. Egestion
2.
Organs in the Digestive Tract
Answer: - Mouth (teeth, tongue, salivary gland) - Esophagus - Stomach (gastric acid+pepsin) - Small/Large Intestine
3.
Accessory Organs involved in Digestion
Answer: - Liver - Gallbladder - Pancreas
4.
What are Small Intestines covered with?
Answer: - Covered with millions of inner folds called microvilli and villi - This increases the surface area for absorption of nutrients
5.
What are the Functions of the Respiratory System?
Answer: - Provides oxygen to body cells - Removes carbon dioxide - Works with the circulatory system
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