Answer:
A) Cell Division helps animals repair old cells.
Answer: Loss of sensation to pressure and loss of touch of control over all involuntary movements could be result of an injury to the dorsal column.
Explanation:
The dorsal column is the most important organ to maintain body stability, sensation, and joint actions.
Answer:
Because no herbivores would want to eat it, and it could ward most predators away easier.
Answer:
Use of a drug selection eliminates those stem cells with nonhomologous recombination products. (mouse)
Viral vectors, microinjection, T-DNA, electroporation, and biolistic transfer. (fruits and veggies)
Used a nucleus from a terminally differentiated cell type. (sheep)
Created using constituitively expressed DNA from genetically unrelated species. (fish)
^^^ ANSWERS ARE IN PARENTHESES ^^^
Plants get nitrogen from the soil but it has to be turned into nitrates (by lighting or nitrogen fixation); this because nitrogen in the air is very unreactive, Then the animal eats the plant.
Bacteria can get nitrogen simply from the air
