Answer:
C. Oxygen
Explanation:
Most, if not all living things use oxygen in some shape or form. While Helium is the most abundant element, it is asking for living things, in which oxygen is a vital building block in maintaining life. Without oxygen, most animal species and humans would die.
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A. They became sick. Hence, the Koch hypothesis.
Step 1: Isolate the two kinds of DNA.
Step 2: Treat the plasmid and foreign DNA with the same restriction enzyme.
Step 3: Mix the foreign DNA with chopped plasmids.
Step 4: Add DNA ligase.
Answer:
from protein
Explanation:
enzyme are proteneous in nature
Answer:
Charles Darwin
Explanation:
Charles Darwin is the founder of modern evolution theory. His theory of evolution describes the process of natural selection. More deserving species evolved with the changing conditions like habitat , reproduction etc , those that failed to adapt dies in the process ,this is the process of natural selection.
