I think the correct answer from the choices listed above is option A. Both insects and roundworms exhibit molting during growth, whereas sponges, snails, and leeches do not. It is the process of shedding old feathers, hair or skin to make way for new growth.
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the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.
A codon is a sequence of three bases found on the messenger RNA (mRNA) molecule which is translated to produce an amino acid. Each amino acid is coded by one or more specific codons. If the codon is changed through a mutation, the amino acid produced may be different. However, in this case, the other codons that produce Leucine are:
UUA, UUG, CUU, CUC, CUA and CUG
So the code CUU could mutate to CUC, CUA or CUG and leucine would still be produced.
Answer:
1) Immunogene
2) immunoglobulin / antibodies
3) Antigen
4 Vaccine
Explanation:
Vaccine: vaccines are made from a weakened or killed form of a Disease causing micro organism
Antigen : these are toxins or foreign substances that causes or stimulates immune response in the body
Immunoglobulin: they are also known as antibodies, they are protein produced by the by the white blood cells to combat foreign substances
Immunogene: these are molecules or substances that have the capability of stimulating immune response by the immune system of an organism.
