Answer:
Myofibrils.
Explanation:
Myofibrils may be defined as the basic unit of muscle cell that are rod like in appearances. The tubular like myocetes or muscle cells are present in the myofibrils.
Myofibrils consists of dark and light bands. The myofibril is the skeletal muscle organelle that actually contracts during the muscle contraction. The myofibril unit is formed during the embryonic development by the myogenesis process.
Thus, the correct answer is option (E).
Carbon dioxide removal (CDR)
Oil is non-renewable, the rest are renewable
Answer:
Inversion.
Explanation:
Chromosomal mutation may be defined as the mutation that change the structure of the chromosome and may alter its number. Different types of chromosomal aberration are deletion, duplication, inversion and translocation.
The chromosomal inversion is the chromosomal rearrangement or the chromosome segment may get reversed. The fragment chromosome gets break off and then the segment gets join to the original chromosome but in the reverse condition.
Thus, the answer is inversion.
The answer is B. Cnidarians
Cnidarian body has no left or right side, only tom and bottom surfaces. If you divide cnidarian a about central point, you will get equal parts. So, cnidarians are radially symmetrical animals. This group includes hydroids, jellyfish, anemones, and corals. In all groups, animals have stinging cells on tips of tentacles. They use them to capture the prey. Their name literally means stinging creatures.