Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

CyfarthfaB2photosynt

QuestionAnswer
Photosynthesis equation? Carbon dioxide + water --> glucose + oxygen
Energy required for photosynthesis Light
Layer in the leaf where most photosynthesis takes place Palisade layer
Plant cell structure where photosynthesis takes place Chloroplast
Green substance that absorbs light energy Chlorophyll
Reaction to release energy from the glucose made Respiration
Substance made to store glucose Starch
Substance made from glucose for cell walls Cellulose
Substance made from glucose used for growth Protein
Three limiting factors for photosynthesis Light intensity, carbon dioxide concentration temperature
Explain why light intensity affects photosynthesis rate Light provides the energy needed for the reaction, more light = more energy = more reactions
Describe the shape of the graph showing light intensity and photosynthesis rate Increase then plateau (stays the same)
Explain what it means when light intensity stops increasing the rate of photosynthesis Light intensity is no longer the limiting factors, something else is
Explain why carbon dioxide concentration affects rate of photosynthesis Carbon dioxide is a raw material / reactant, more reactants = more reactions
Describe shape of the graph of carbon dioxide concentration and rate of photosynthesis Increase then plateau (stays the same)
Explain why temperature affects photosynthesis rate Photosynthesis is controlled by enzymes which are affected by enzymes
Describe the shape of the graph for temperature and rate of photosynthesis Bell shaped curve / increase then decrease
Explain why temperature initially increases photosynthesis rate Higher temperature = particles have more energy, move more, more collisions between enzymes and substrate
Explain why after the optimum, temperature decreases photosynthesis rate Enzymes denatured- active site changes shape and can no longer fit with substrate
What is the chemical used to test for starch? Iodine
What are the two steps needed before adding iodine to a leaf to test for starch? Boil leaf in water Soak in ethanol
Why does the leaf need to be boiled before testing for starch? Break down cell walls
Why does the leaf need to be soaked in ethanol before testing for starch? Remove chlorophyll
What colour change is observed if starch is present? Orange/brown to Blue/black
Created by: MissRParry
Popular Biology sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards