True/False
Generally, purines and pyrimidines are not synthesized de novo but rather obtained through salvage pathways to recycle them from food because de novo synthesis has a high energy cost.
Correct Answer:
Verified
Correct Answer:
Verified
Q21: Ribozymes are enzymes which are made of
Q22: Describe two factors which may increase enzyme
Q23: By the end of the Krebs cycle,
Q24: The intermediate(s) needed to synthesize lipids from
Q25: Anabolic reactions<br>A) are endergonic.<br>B) involve dehydration synthesis.<br>C)
Q27: The figure shows which process? <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1331/.jpg"
Q28: Radioactive isotopes of various elements can be
Q29: Oxidation of nutrients by cells results in<br>A)
Q30: Catabolic reactions<br>A) are endergonic.<br>B) are hydrolytic and
Q31: Cells harvest energy from nutrients by stripping