Carbon shares 4 electrons to complete its valence shell
Answer:
Explained
Explanation:
Prokaryotic cells are generally smaller in size than the eukaryotic cells and thus the DNA in the prokaryotic cells are much smaller than the DNA in the eukaryotic cells therefore, the later organisms have many origins where replication occurs simultaneously. Moreover, Prokaryotic cells lack neucleus and whereas eukaryotic cells have neucleus in them which is bounded by the membrane.
For the last question it's either C or D.
Answer:
Both ATP and NADPH are needed to make sugars
The toxins are the substances which decreases the conc. of oxygen in wzater and increase toxicity
