The substrate is the part that sticks into the active site of an enzyme.
Answer:
Bacteria that entered an organism body can cause mutations by altering the gene
Explanation:
The giant landmass described by Wegener in his continental drift hypothesis has broken down into different slabs and they have moved to new positions. The giant landmass is called Pangaea. Pangaea is a supercontinent believed to have produced the continents today.
- The break up of the supercontinent started about 175million years ago.
- Today, it is understood that the concept of plate tectonics provides an insight into how the supercontinent have broken down and migrated to their present position today.
- Plate tectonics also provides a mechanism that provided motion for the plate.
- Wegener from his observation suggested that the continent could easily fit into a single supercontinent like the pieces of a puzzle.
- He also suggested evidence from across the various continents to back up his claim.
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The processes which ensure high accuracy of replication during DNA replication are PROOFREADING, MISMATCH REPAIR AND NUCLEOTIDE SELECTION.
The cell has multiple mechanisms that it used to ensure that the nucleotide sequences in the DNA molecules are faithfully copied. The proofreading mechanism is used to proofread the nucleotide to ensure that correct sequences are installed in the appropriate places, the mismatch mechanism target mismatched bases while nucleotide selection ensure that the correct nucleotides are used in each stage of the replication process.