Four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.
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Answer:
The correct answer is option C. Epstein-Barr virus: virus visible inside red blood cells.
Explanation:
The Epstein-Barr virus is a virus or virions that cause several serious diseases such as Guillain-Barre syndrome and kind of cancers. These viruses can be detected by the making smear of blood in the electron microscope.
The electron microscope shows round capsids that have protein encased genetically material that is loosely enclosed in a membrane. These are transmitted through saliva generally.
Thus, the correct answer is C.
Answer:
The correct answer is C glucokinase is not a zymogen
Explanation:
zymogens are secreted as inactive enzyme which undergo activation by autocatalysis which deals with the removal of short peptide fragment from that zymogen resulting in the formation of active enzyme.
Foe example chymotrypsin enzyme is secreted as zymogens but not glucokinase.
A) DNA replication - DNA replication is the first process of cell division. DNA replication occurs in the S-phase of cell interphase.
Answer:
so the virus can spread more efficiently
Explanation: