Download Blackline Master 4.2-2 NAME: DATE: 4.2

Blackline Master 4.2-2
NAME:
DATE:
4.2-2 The Citric Acid Cycle
Using the blank boxes, fill in the names of the molecules created or released during the citric
acid cycle. Then, continue to the next page.
BLM 4.2-2
Copyright © 2012 by Nelson Education Ltd.
Blackline Master 4.2-2
NAME:
DATE:
4.2-2 The Citric Acid Cycle (continued)
Complete the summaries below by filling in the blanks.
1. Pyruvate oxidation
________________ enters the mitochondrion from the cytoplasm. One ________________
atom is removed via ___________________, and ________________ is removed using
________. ________________ becomes attached to the remaining ________________
atoms, creating ________________, which then enters the citric acid cycle.
2. Citric acid cycle
________________enters the cycle and then combines with ________________ to make the
six-carbon compound ________________. During the eight steps of the citric cycle,
________________ undergoes a number of reactions, releasing _______ and ______ in a
number of steps. ________________ is eventually converted into ________________ so it
can be used again during the citric acid cycle.
3. Products of the citric acid cycle
A. _________________________ is released as waste.
B. _________ and ________ move to the next stage of cellular respiration.
C. Energy is released in the form of ________. A glucose molecule produces _________
molecules of ________ because two molecules of ________________ are created from each
molecule of ________________.
BLM 4.2-2
Copyright © 2012 by Nelson Education Ltd.