The diagram represents a stage of cellular respiration that occurs in a mitochondrion - Scottish Highers Biology - Question 2 - 2018
Question 2
The diagram represents a stage of cellular respiration that occurs in a mitochondrion.
P + Q → R + water
Which row in the table identifies substances P, Q and R?
... show full transcript
Worked Solution & Example Answer:The diagram represents a stage of cellular respiration that occurs in a mitochondrion - Scottish Highers Biology - Question 2 - 2018
Step 1
Identify substance P
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Substance P is identified as 'hydrogen ions and electrons' because it corresponds to the initial reactants in the electron transport chain. This process facilitates ATP production.
Step 2
Identify substance Q
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Substance Q is ATP, which is produced during cellular respiration in the mitochondria.
Step 3
Identify substance R
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Substance R is identified as 'oxygen', which acts as the final electron acceptor in the electron transport chain.
Step 4
Final Identification of P, Q and R
98%
120 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
Based on the above identification, the correct row is D: P = hydrogen ions and electrons, Q = ATP, R = oxygen.
Join the Scottish Highers students using SimpleStudy...
