Answer:
The characteristic features of the phylum Chordata are a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a tailgut.
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Answer:
The original fruit is from the Far East, having been grown in what is now modern-day China for many centuries. It was only at the turn of the 20th Century, in 1904, that it arrived on New Zealand shores, when New Zealand school principal Isabel Fraser brought some kiwifruit seeds back from her travels.
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Answer:
In photosynthesis, solar energy is harvested and converted to chemical energy in the form of glucose using water and carbon dioxide. Oxygen is released as a byproduct.
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Answer:
The lac repressor is not bound to the operon.
Explanation:
The lac repressor is a protein encoded by the lac I gene. In absence of lactose, the lac repressor binds to the operator sequence of the lac operon and does not allow the RNA polymerase to express the operon. However, as lactose enters the cell from the medium, the beta-galactosidase enzyme converts it into allolactose which in turn serves as an inducer of the lac operon. Binding of allolactose to lac repressor trigger conformational changes in the protein and renders it unable to bind to the operator. The RNA polymerase is allowed to express the operon.
Answer:
They can stick toothpicks in to a seed and place it on top of a glass of water where half of the seed is in the water. then you set it by a window.
Explanation:
