The correct answer is (a.) a mutation of the hemoglobin allowing better oxygen-carrying capacity. The mutation of the hemoglobin that allows a better oxygen-carrying capacity would be the most beneficial to an elephant and its descendants.
Vesicles form naturally during the process of secretion(exocytosis), uptake (phagocytosis and endocytosis) and transport of materials within the cytoplasm. Alternatively, they may be prepared artificially, in which case they are called liposomes.
Answer:
Movement of RNA molecules from the nucleus to cytoplasm.
Explanation:
Cytoskeleton are as important for cell as skeleton for us. It perform various functions for the cell such as;
- Maitain the cell shape.
- Provide movement to cell.
- Provide movement for organelles
- Help in cell divsion.
The Cytoskeleton is made up of protein and three type of fibers.
- Microfilament
- Intermediate filament
- Microtubules
Answer:
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Explanation:
In 1914, Southern Nigeria was joined with Northern Nigeria Protectorate to form the single colony of Nigeria.
Status: Protectorate of the British Empire
Currency: Pound sterling (1900–13); British W...
Capital: Lagos (administrative centre from 1906)
The modern state originated with British colonialization in the 19th century, taking its present territorial shape with the merging of the Southern Nigeria Protectorate and Northern Nigeria Protectorate in 1914 by Lord Frederick Lugard.
The thymus becomes smaller with age as well as decreased immune system function.
The process of shrinking of the thymus is known as involution. This process occurs with any tissue that is not in frequent use. Before an individual reaches adulthood, the immune system has produced most of its T-cells. Therefore, new T-cells do not need to be produced, so the tissue of the thymus gland is replaced by adipose tissue.