The answer is Chordates
Chordates belong to the pylum Chordata of the Animal Kingdom.They have the following characteristics;
Lower vertebrates have a notochord which is a hollow nerve chord that is located dorsally of the animal while higher vertebrates have a vertebral column of bone and cartilage. They have a coelom which is a body cavity that differentiates higher vertebrates into organs and digestive tract.
Answer:
The correct statements are B, D and F
Explanation:
The following statements that correctly describes T tubules and their role in conducting action potentials in muscle cells are;
i) T tubules are infoldings of the plasma membrane that encircle the myofibrils and are in contact with the sarcoplasmic reticulum.
ii) T tubules carry action potentials into the interior of the muscle cell via voltage-gated Na+ and K+ channels.
iii) Without T tubules, the muscle cell would not be able to contract.
Answer:
elastic
Explanation:
The kinetic energy of a body can be decreased in two cases: When it is stored in the form of potential, for example: elastic or gravitational energy. Or when there are dissipative forces capable of transforming it into other forms of energy, as does the friction force. Which transforms kinetic energy into thermal energy.
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Answer:
Genes
Explanation:
Genes code for proteins that leads to certain traits to be expressed, leading to phenotype to be seen based on different genotypes expressed.
