Answer:
The correct option is 3. "At pH 6.5 the enyzme is 50% active"
Explanation:
For the titratable group to be protonated and cause the enzyme to be in the active state, it needs to have gained a hydrogen cation (H+). In order for that to happen, there must be enough hydrogen cations in the environment of the enzyme, and hence, an acidic pH is required in this case.
B! The strongest characteristics will survive when the weak ones won't
Answer:
C. Production of primary food crops
Explanation:
Loss of habitat and overconsumption of water are big drawbacks of commercial agriculture. Synthetic fertilizers tend to be necessary with commercial agriculture, but they are heavy polluters and tend to destroy waterways, so they are a big drawback of commercial agriculture.
DNA replication D) I and III only take(s) place during either interphase or mitosis in animal cells? I. The re-formation of nuclear membranes II. Pairing of homologous<span>chromosomes III. </span>
