When substrate-level phosphorylation occurs, it means that:  

A.  NAD+ is converted into NADH.
B.  ATP is converted into ADP plus a phosphate group.
C.  ADP is converted into ATP by the addition of a phosphate group.
D.  NADH is converted into NAD+ plus a proton.


C.  ADP is converted into ATP by the addition of a phosphate group.

Biology & Microbiology

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Most of the ATP used by a muscle during prolonged, moderate activity is produced by ____

a. creatine phosphate b. lactate fermentation c. aerobic respiration d. glucose e. pyruvate

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The systemic circulation begins with the ____ side of the heart

Fill in the blank(s) with the appropriate word(s).

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Which of the following eukaryotic cell structures plays a role in protein trafficking and sorting?

a) lysosomes b) mitochondria c) the Golgi apparatus d) the endoplasmic reticulum e) vacuoles

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Fungal spores produced asexually within a sac-like chamber at the tip of a hypha are called

A) ascospores. B) basidiospores. C) sporangiospores. D) conidia. E) zygospores.

Biology & Microbiology