The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
<h3>Meaning of speciation</h3>
Speciation can be defined as a process that births new species with different traits while they evolve.
Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.
In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
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Answer: DNA polymerase is an enzyme used in DNA replication.
Explanation: DNA replication is when DNA is copied from one parent (original) strand to two exact copies of daughter DNA strands so that genes are passed on from generation to generations. DNA polymerase is an enzyme that assist in DNA's replication. It catalyses the chemical reaction that results in duplicate DNA strands.
Evacuate low lying areas near the coast.
Option C:
B. wild-type 5-AUGCAUACAUUGGAGUGA-3 mutant 5'-AUGCAUACAUCUGGAGUGA- 3'
Explanation:
A frameshift mutation is a genetic mutation such that the triplet nature of gene expression by codons, the insertion or deletion occurs in such as way that it alters the complete sequence of 3 codon sets and can change the reading frame, resulting in a completely different translation from the original.
As it is pertinent to understanding that all genes are normally translated in sets of 3 codons, which typically describes and explain a unique amino acid sequence. Thus, if a frame shift mutation occurs, it can affect many amino acid sequences and finally the entire protein.
If we look at option B:
wild-type 5-AUG CAU ACA UUG GAG UGA-3
mutant 5’- AUG CAU ACA UCU GGA GUG A-3’
An insertion of a base Uracil showed at the end of 3rd codon which affected and altered the whole sequence of codon triplets. This changed all next codons and finally all next amino acids will be altered.
<em><u>-If no oxygen is present, what process happens during cellular respiration?
</u></em>
If no oxygen is present, cells can only utilize glycolysis to make ATP. Cells without mitochondria can only utilize glycolsis. Glycolysis couples with fermentation to produce ATP. Cellular respiration is the process cells use to make energy. Cells in our body combine glucose and oxygen to make ATP and carbon dioxide. Thus why oxygen is to be present during cellular respiration.
<u><em>-Describe the process of photosynthesis. What are the products and the reactants?
</em></u>
The products is glucose, and the reactants are ATP, NADPH, co2 the of photosynthesis carbon dioxide water. These are the products of photosynthesis glucose and oxygen.
Reactants:
- Carbon dioxide
- Water
- Sunlight
Products:
- Glucose
- Oxygen
