Photosynthesis
If a plant is not exposed to oxygen, would that affect the amount of sugars being produced during photosynthesis? Explain.
No, oxygen is a product, not a reactant of photosynthesis
Which process takes place when oxygen is present: aerobic respiration or anaerobic respiration?
Aerobic respiration
Based on your knowledge of cellular structures and processes, how do companies produce beer and wine?
They keep oxygen away from ingredients so anaerobic respiration (alcoholic fermentation) can take place
If carbon dioxide is removed from a plant's environment, what would you expect to happen to the plant's production of high-energy sugars, like glucose?
Fewer sugars will be produced
The stomata are openings found on the undersides of leaves. They can open and close at different times of the day or year. What is most likely the importance of these openings?
to allow gases top enter and leave the plant
When and where is NADPH created during photosynthesis?
during the light-dependent reaction in the thylakoids (thylakoid membrane)
Which organisms are likely to carry out cellular respiration?
What is plants and animals; all living things
Which two molecules on an ATP molecule must separate in order for energy to be released?
What is the second and third phosphate group
Glycolysis splits one molecule of ________________ into two molecules of _____________ inside the cell. Fill in the blanks.
glucose; pyruvic acid
Changes in light intensity would affect which cellular process?
Photosynthesis
Where do light-dependent reactions take place?
What is thylakoid membrane
What are the products of the entire process of aerobic cellular respiration?
water, carbon dioxide, and ATP energy
What are the reactants and products of glycolysis?
Reactants = glucose (C6H12O6); Products = 2 pyruvic acid (C3H6O3)
Which process is the final part of aerobic respiration and creates ATP?
Electron Transport Chain
Why do you breathe heavily after running a race?
Your body is trying to replace oxygen that was used during the race
What is the function of chlorophyll in a light reaction?
What is to absorb light energy
Where does Photosynthesis take place? Where does glycolysis take place? Where does cellular respiration take place?
Photosynthesis: Chloroplast
Glycolysis: cytoplasm
Cellular Respiration: mitochondria
Plants gather the sun's energy with light-absorbing organelles called what?
chloroplasts
What gas is given off by a plant during a warm, bright day?
oxygen
Why does the rate of photosynthesis decrease in the Fall?
Light intensity decreases/weakens
What is the purpose of the light-dependent reactions?
to create ATP and NADPH to use in the light-independent ractions
In animals, what does the presence of lactic acid in the muscles indicate?
there is not enough oxygen for aerobic respiration
Ancient volcanoes gave off gases into the early atmosphere. Which gas would be MOST helpful for organisms carrying out photosynthesis?
Carbon dioxide; (water vapor could be an acceptable answer, although carbon dioxide is the best)
If a chemical stopped the process of cellular respiration, what would no longer be produced?
ATP
What chemical is likely produced and builds up in leg muscles after a long race?
lactic acid