A) Vacuoles
Vacuoles do the functions of storage, ingestion, digestion, and more
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Answer:
New vegetation and animals came to this place when the environment is suitable.
Explanation:
The ash and rock strewn surface began to undergo primary succession after few month when the soil is cool down because the soil has nutritive medium that helps the vegetation to grow on that land. In the primary succession, the new vegetation grows which is well suited to that environmental condition and uses the nutrients present in that soil for its growth and development. Many new organisms also came to this new landscape when the environment is suitable.
Answer:
1) A, C and D
2) D
Explanation:
The normal hemoglobin is made up of heme and globin. The protein, globin is in turn made up of four polypeptide chains which include two alpha and two beta chains.
The gene gene responsible for the creation of the beta globin chain is located on the short arm of chromosome eleven. It is called the HBB gene. Many mutations occur on the HBB gene and a mutation on this gene produces abnormal hemoglobin like HBS, hbc, and hbe. HBs causes sickle cell anemia.
In sickle cell anemia, there is an alteration of the genetic code, leading to the substitution of a single amino acid where glutamic acid is replaced by valine in the sixth position of the beta chain.
In the mRNA, the change converts a glutamic acid codon(GAG or GAA) to a valine codon(GUA, GUC, GUU or GUG).
Sickle cell anemia is caused by a transversion that leads to a missense mutation.
Answer:
This is because these individual cells can independently carry out all the functions ... Moreover, individual cells of multicellular organisms cannot carry out all the ... vessels etc) that carry out different functions for the survival of the organism.
Explanation:
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