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Jessica Gallardo
SCI 220 weeks 1-5
Question | Answer |
---|---|
What is Homeostasis? | It is stability, balance or equillibrium within a cell or the body. It is an organsims ability to keep a constant internal enviornment. |
What is responsible for extracting energy from food through cellular respiration also know as th powerhouse of the cell? | Mitochondria |
What are the three major types of chemical bonds? | Ionic, covalent, and metallic bonds |
What is the difference between catabolism and anabolism? | Catabolism breaks down big complex molecules into smaller, easier to absorb molecules. Anabolism builds molecules required for the body's functionality. |
What is metabolism? | The chemical reactions in the body's cells that change food into energy. |
What is the most basic unit of life? | A cell. |
What provides the cells function and ability to replicate genetic information? | DNA |
What are the skins three main layers? | Epidermis, dermis, and hypodermis. |
What are bones made of? | Two-thirds proteins like collagen and the other third is calcium phosphate. |
What is the integumentary system comprised of? | Skin and it's appendages such as hair, nails, and sweat glands. |