Where does the first step of creatine synthesis occur?
Creatine Function (1/2): Biosynthesis, Thermodynamic Concerns, and Exercise

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Liver
Kidney
Skeletal Muscle
Heart
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of guanidinium acetate methyl transferase in creatine synthesis?
It condenses arginine and glycine
It methylates guanidinium acetate
It hydrolyzes ATP
It transports creatine to muscles
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of phosphocreatine in muscles?
To transport oxygen
To synthesize proteins
To provide a quick source of ATP
To store energy as fat
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the gamma phosphate bond in ATP considered high energy?
It is a weak bond
It is resonance stabilized
It is easily broken by water
It is a covalent bond
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to phosphocreatine during high-intensity exercise?
It is used to synthesize proteins
It is stored in the liver
It is broken down into amino acids
It is converted to creatine and ATP
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does storing phosphate on creatine affect ATP synthase activity?
It promotes ATP synthesis
It inhibits ATP synthase
It decreases ATP production
It has no effect
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required to synthesize phosphocreatine during rest?
Low oxygen levels
Increased creatine and ATP concentrations
High levels of ADP
High levels of lactic acid
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