Answer:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.
Answer:genetic make up was not affected
Explanation:outside factors can not alter someone's genetic traits;as twins no matter where they are and what environment they are in they will still possess similar genes.
C membrane with the help of a channel protein
Answer:
Global climate change affects the distribution of species.
Explanation:
Answer:
Molecular Evidence has recently made it necessary to assign the prokaryotes to either of two different domains.
Explanation:
- There was an OLD 5 classification system :
- Monera
- Protists
- Plants
- Fungi
2. NEW 3 domain system reflects :
- A greater understanding of evolution
- Molecular evidence
Thus, the new domain includes :
- Prokaryote : Bacteria
- Prokaryote : Achaebacteria
3. Eukaryotes :
- Protists
- Plants
- Fungi
- Animals
