
Microbial Metabolism
Presentation
•
Biology
•
9th Grade - University
•
Medium
+1
Standards-aligned
Ann Hefner-Gravink
Used 33+ times
FREE Resource
14 Slides • 15 Questions
1
Microbial Metabolism Homework
Objective: Review Ch. 7 and Check Comprehension
2
How Does This Work?
Examine the figures or watch the videos
Look at the question on the slide
It would be a good idea to have your notes handy
Consulting the module pages or class slides is also a good idea
Answer the question on the slide
Repeat
3
4
Overview of Glycolysis
image from Khan Academy
5
Multiple Choice
Which of these processes represents anabolism?
Pyruvate is made from glucose
Ethanol is produced from glucose
Peptidoglycan is made from amino acids and CHO
Pyruvate is converted into carbon dioxide
6
Multiple Select
Select ALL the events that occur in glycolysis:
Glucose is produced
NADH is produced
ATP is produced
Acetyl coA is produced
7
Multiple Choice
Which form of the electron carrier below can accept electrons and become reduced?
NAD+
NADH
8
Need a refresher? Rewatch the animation on the next slide.
​
9
10
Multiple Choice
Which form of the electron carrier is produced in glycolysis and the citric acid cycle?
NAD+
NADH
11
Multiple Choice
In glycolysis, Glucose is _____ to Pyruvate.
Oxidized
Reduced
12
Multiple Choice
In this reaction, which molecule(s) is/are BEING oxidized?
NAD+ + glyceraldehyde-3-P --> NADH + 1,3 bisphosphoglycerate
NAD+
NADH
glyceraldehyde-3-P
1,3 bisphosphoglycerate
13
The Link Reaction
The video on the next slide explains the connecting reaction between glycolysis and the citric acid cycle
Don't dwell on the details such as the enzyme name and coA
14
15
16
Multiple Choice
True or False? Pyruvate is oxidized (and decarboxylated) to produce acetyl coA. [Yes, I know, I'm still asking oxidation-reduction questions.]
True
False
17
Citric Acid/Krebs/TCA Cycle
​
18
Multiple Choice
In the Citric Acid Cycle, acetyl coA is
reduced to pyruvate
oxidized to CO2
used to synthesize fatty acids
converted into ATP
19
Multiple Select
The Citric Acid Cycle produces (select ALL that are correct):
acetyl coA
2 ATP/GTP
6 NADH
H+ gradient
pyruvate
20
Electron Transport Chain & ATP Synthase
​
21
Energy Conversions
Remember the C in glucose has been oxidized to CO2 so the ETC is not acting on C-containing substrates such as glucose, acetyl coA or pyruvate. The energy is now in the form of NADH and we want to use it to make ATP.
22
23
Multiple Choice
The source of energy for the ETC is:
ATP
O2 to H2O
protons in NADH
electrons in NADH
24
Multiple Choice
The electron carriers of the ETC create energy that is now in the form of:
NAD+
ATP
H+ gradient
O2 to H2O
25
Multiple Choice
The ATP synthase uses which form of energy to produce ATP?
ADP + Pi
H+ gradient
NAD+
NADH
26
Fermentation
image from Khan Academy
27
Multiple Select
Fermenting cells utilize which of the following pathways/processes? (Select all that apply)
Glycolysis
Citric Acid Cycle
ETC/ATP Synthase
Anaerobic respiration
28
Multiple Choice
Like Glycolysis and Citric Acid Cycle, Fermentation reactions also produce NADH.
True
False
29
Multiple Choice
True or False? If oxygen is present, cells cannot ferment.
True
False
Microbial Metabolism Homework
Objective: Review Ch. 7 and Check Comprehension
Show answer
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