What is the first stage process of respiration called?
In this first stage there is a release of ATP as glucose is converted to another substance - Leaving Cert Biology - Question 4 - 2008
Question 4
What is the first stage process of respiration called?
In this first stage there is a release of ATP as glucose is converted to another substance.
Name this other ... show full transcript
Worked Solution & Example Answer:What is the first stage process of respiration called?
In this first stage there is a release of ATP as glucose is converted to another substance - Leaving Cert Biology - Question 4 - 2008
Step 1
What is the first stage process of respiration called?
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
The first stage process of respiration is called glycolysis.
Step 2
In this first stage there is a release of ATP as glucose is converted to another substance. Name this other substance.
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
The other substance that glucose is converted to during glycolysis is pyruvic acid or pyruvate.
Step 3
To what is the substance you have named in (b) converted under anaerobic conditions in: 1. Yeast?
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
In yeast, the substance (pyruvic acid) is converted to ethanol.
Step 4
To what is the substance you have named in (b) converted under anaerobic conditions in: 2. A human muscle cell?
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
In a human muscle cell, the substance (pyruvic acid) is converted to lactic acid or lactate.
Step 5
Under aerobic conditions the substance that you have named in (b) is converted to an acetyl group and in the process a small molecule is released. Name this small molecule.
97%
117 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The small molecule released during the conversion of pyruvic acid to an acetyl group is carbon dioxide.
Step 6
The acetyl group now enters a cycle of reactions. What name is given to this cycle?
97%
121 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The cycle is known as the Krebs cycle or citric acid cycle.
Step 7
Where in the cell does this cycle take place?
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
The Krebs cycle takes place in the mitochondrion.
Join the Leaving Cert students using SimpleStudy...
