The answer is (b.) fertilization
The fertilization is the stage where the egg cell or the
so-called ovum fused with the sperm cell which eventually leads the development
of the embryo or the zygote. The Embryogenesis starts when the zygote undergoes
mitotic divisions or also known cleavage process.
Answer:
one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
Explanation:
To retain a better sense of balance or aid in reaching limbs if a tree living animal. Also, too protect from predator attacks from behind.
Bacteria can be SUSCEPTIBLE or RESISTANT to antibiotics. Susceptible bacteria can't grow if the drug (i.e., the antibiotic) is present.
Susceptibility to antibiotics occurs when bacterial colonies can't grow in presence of the antibiotic (e.g., erythromycin).
Some antibiotic-resistant bacteria include:
- Methicillin-resistant <em>Staphylococcus aureus</em> (it is one of the most common antibiotic-resistant bacteria)
- Vancomycin-resistant <em>Enterococcus</em>
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