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Biology
| Question | Answer |
|---|---|
| What is Energy? | the ability to do work. |
| What is Thermodynamics? | study forms of energy in the universe. |
| What is the First law? | Energy cannot be created nor destroyed; only transferred. |
| What is the Second law? | Energy cannot be converted without the loss of usable energy. Ex. Food chains |
| What are Autotrophs? | Organisms that make their own food. |
| What is Photosynthesis? | Light energy from the Sun is converted to chemical energy for use by the cell. |
| What are Heterotrophs? | Organisms that need to ingest food to obtain energy. |
| What is Cellular respiration? | Organic molecules are broken down to release energy for use by the cell. |
| What is ATP? | Adenosine triphosphate- energy molecule. 3 parts to ATP- Ribose (sugar)- Adenine- 3 phosphates- |
| What is Phototropism? | Growth in response to light. |
| What is Gravitropism? | Growth in response to gravity. |
| What is Thigmotropism? | Growth in response to mechanical stimuli, such as contact with an object, organism, or wind. |
| What is the plants Epidermis? | Covers the top and bottom surfaces of a leaf. |
| What is Xylem? | Carries water (from the roots up the plant). |
| What is Phloem? | Carries sugar (from photosynthesis) throughout the plant. |
| What is Mesophyll? | Contains chloroplasts. |
| What is Palisade mesophyll? | top; has closely packed cells that absorbs light that enters the leaf. |
| What is Spongy mesophyll? | bottom; has many air spaces that help with gas exchange. |
| What is the Stomata? | pores (holes) on epidermis of the leaf, gases may enter or leave here. |
| What are Guard cells? | they regulate the rate of transpiration by opening and closing the stomata. |
| The Calvin cycle | (light-independent reactions) is a series of reactions that stores energy as glucose. GOAL: To make glucose from ATP |
| Pigments | make ATP (energy) |
| Plant Hormones | Organic compounds made in one part of an organism that affect another part of the organism. |
| What is tropism. | is a plant’s growth response to an external stimulus. |
| Stem | Supports: plant’s leaves and reproductive structures Transport: water and dissolved substances Storage: food and water. |
| Leaf Structure | the blade of a leaf has a large surface area for photosynthesis. |
| capsid | outer layer of viruses made of proteins; gives virus protection. |
| Cytoplasm- | semi-fluid material that fills cell. |
| Cytoskeleton- | network of long, thin protein fibers. |
| Microtubules- | form structure. |
| Microfilaments- | helps cell movement. |
Created by:
BrandonCarlson
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