Answer:
Enzymes can only be used once
Explanation:
Enzymes are there forever
Skeletal mass increases dramatically during childhood and adolescence, and decreases dramatically at the beginning of the fourth decade of life and decreases with age, with an exception of the skull.
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In the f2 generation of mendel's crosses, all plants had the dominant trait,all plants had both the dominant and recessive alleles. one in four plants had two alleles for the recessive trait.
Answer:
蛋白质合成的场所只能是核糖体 在核糖体上合成的蛋白质会被转送到内质网进行进一步的加工 包括折叠、组装和糖基化等一系列的过程。最终再经过高尔基体的加工和包装 进行分泌
在内质网上的操作仅仅是加工而已 使蛋白质产生三级四级结构，但是合成的过程（脱水缩合）一定是在核糖体上的。
Explanation:
