Answer:
up-regulation
Explanation:
Upregulation is where a increases the quantity of a cellular component like protein or RNA in response to an external stimulus.By controlling the number of its receptors, cells may increase and decrease their cell sensitivity.... Hormones can also trigger cells to control themselves by upregulation.( Estrogen is the primary sex hormone for females).
Answer: B
Explanation:The energy needed by living things comes from the sun. Every ecosystem depends on green plants to trap the energy in sunlight and change it into chemical energy. The process by which green plants convert the sun's energy is called photosynthesis.
The answer would be C, double fertilization produces a triploid zygote and a tripped endosperm!
Water.
Osmosis is the movement of water.
Hope this helps!
Answer:
Ribbon Snakes, American Water Snakes and European Grass Snakes
Explanation:
These are a few snakes thaat don't eat rodents, but eat fish.
