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BIO QUIZ 2.2
| Question | Answer |
|---|---|
| photosynthesis converts what kind of energy to what? | light -> chemical energy |
| photosynthesis converts what kind of energy from where? | sun -> in carbohydrates |
| organisms that do photosynthesis are called... ? and ? | producers and autotrophs |
| organisms that do NOT photosynthesis are called... ? and ? | consumers and heterotrophs |
| what are some organisms that do photosynthesis? (5) | plants, algae, seaweed/phytoplankton, bacteria (some), euglena (protists) |
| what is the equation for photosynthesis? (in symbols?) | 6CO2 + 12H2O -> C6H12O6 + 6H2O + 6O2 |
| what is the equation for photosynthesis? (in words?) | carbon dioxide + water -> (with light) glucose + water + oxygen |
| how does CO2 come in? how does it enter? is it a reactant or product? | air/atmosphere, leaves, reactant |
| how does H2O come in? how does it enter? is it a reactant or product? | soil, roots, both |
| C6H12O6 is used or stored by the plant as ? and found in what 2 parts? | starch, roots & stems |
| H2O is used/released from the plant through what plant part and what process? | leaves, transpiration |
| O2 is used/released from the plant through what plant part? | leaves |
| what are stomata/stoma? | holes on underside of leaf, can open and close to control gas exchange |
| what comes in (1) and out (2) of stomata? | CO2 comes in and O2 & H2O go out |
| what are the 5 parts of a chloroplast? | inner membrane, outer membrane, stroma, thylakoid, granum |
| stroma | fluid inside chloroplast containing many enzymes |
| thylakoid | (individual membrane sac containing chlorophyll) |
| granum | (1 stack of membrane sacs - plural grana) |
| what is pigment? | substance that absorbs some wavelength of light and reflects other wavelength of life |
| what kind of chlorophylls show green? | A & B |
| what pigment shows yellow/orange? | carotenoids |
| what pigment shows red/purple? | anthocyanins |
| pigments ___ different wavelengths of visible light used for photosynthesis | ABSORB |
| things look a certain color because of the wavelengths of light that they ___, which our eyes see. not used for photosynthesis | REFLECT |
| look into absorption spectrums and understand how to read | ok |
| neutral hydrogen atom contains...(H) | 1 proton, 1 electron, some # of neutrons |
| charged hydrogen ion contains... (H+) | 1 proton, 0 electrons, some # of neutrons |
| charged hydrogen ion can be considered as...(H+) | a proton |
| charged hydrogen ion can combine with what to make a neutral hydrogen atom? H+ -> H? | combine with an electron to make H |
| what are 2 important carrier molecules groups involved in photosynthesis? | NADP+/NADPH AND ADP/ATP |
| what is NADP+/NADPH? | coenzyme or cofactor that carries H (combo of p+ and e-) from one part of chloroplast to another for diff stages of photosynthesis |
| look at note sheet to show how to draw H and ATP/ADP relationship | ok |
| what's empty v full in NADP+ / NADPH? | NADP+ = empty, NADPH = full. |
| what's empty v full in ADP / ATP? | ADP = empty, ATP = full. |
| what is ADP/ATP? | modified nucleotide, energy storage molecule, carries energy from one part of chloroplast to another for different stages of photosynthesis |
| ADP's full name and # of phosphates? | adenosine diphosphate, 2 phosphates |
| ATP's full name and # of phosphates? | adenosine triphosphate, 3 phosphates (energy is in the bond that holds the 3rd phosphate to the molecule) |
| where do light dependent reactions happen? | thylakoid membranes |
| where do light independent reactions happen? (calvin cycle) | stroma |
| fill out sheet about photosynthesis for LD and LI | ok |
| what are some environmental factors that affect rate of photosynthesis? | availability of light, water and co2, temperature, pH -> denaturation. |
| layers of a leaf: 1st layer top down | waxy coating plus protective layer of cells |
| layers of a leaf: 2nd layer top down | many cells packed together with many chloroplasts |
| layers of a leaf: 3rd layer top down | fewer cells, space for gas exchange, veins |
| layers of a leaf: 4th layer top down | bottom layer, protective layer of cells, stomata |
Created by:
studying11