Answer:
Explanation:
In gene transfer, researchers introduce a foreign gene directly into cancer cells or into surrounding tissue. The goal is that the newly inserted gene will cause the cancer cells to die or prevent cancer cells and surrounding tissue from funneling blood to tumors, depriving them of nutrients they need for survival.
The portion of the pharynx that receives air from the internal nares is the nasopharynx.
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1. scales & cone parts
2. Pistil and stamen & flower parts
3. egg & female cell
4. mitosis & cell division
5. hyphae & fungi parts
6. vegetative production & leaf and spore case
7. Sperm & make cell
8.
Answer:
Porifera—gastrovascular cavity, coelomate.
Explanation:
Sponges do not contain digestive system but obtain nutrients through the diffusion process. Porifera is the most commonly asymmetrical in nature but can also have radial symmetry. Porifera has no coelom.
Lacking a true digestive system, they depend on the intracellular digestive processes of their choanocytes for their energy intake. Gas exchange, circulation, and excretion occur by diffusion between the water and the cells.
B, proton is positive and it does not represent the symbol
