The embryonic phase differs from the pre-embryonic phase because
A. the embryonic phase occurs during the first 2 weeks of pregnancy, while the pre-embryonic phase describes the period from 2 to 8 weeks of pregnancy.
B. the embryonic phase is initiated by zygote formation, whereas the pre-embryonic phase is initiated by blastocyst formation.
C. the embryonic phase begins at week 9 of pregnancy, while the pre-embryonic phase begins at week 2.
D. organ formation and development begin during the embryonic phase, whereas blastocyst formation occurs in the pre-embryonic phase.
D
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Carbohydrate loading maximizes the storage in skeletal muscles of what compound?
A. glucose B. glycogen C. protein D. creatine phosphate
Protein serves as an energy source
a. True b. False Indicate whether the statement is true or false
Which of the following statements is true?
A. In the cytoplasm, glycolysis generates oxygen and carbon monoxide molecules. B. In ribosomes, food undergoes oxidative degradation, releasing creatine phosphate and ADP. C. In mitochondria, pyruvate molecules undergo complete degradation to form ATP. D. Under normal conditions, muscle cells rely on amino acids as their primary source of energy.
Which of the following vitamins is part of a coenzyme that participates in energy metabolism?
A. Niacin B. K C. A D. Ascorbic acid