Mitochondria is known as the powerhouse of the cell. It produces the energy currency of the cell or ATP through respiration.
The parent plants are both Cc. you could use any letter as long as one is uppercase and one is lowercase, to show that they are heterozygous.
ACh binding opens ion channels in the receptors that allow simultaneous passage of Na+ into the muscle fiber and K+ out of the muscle fiber. More Na+ ions enter than K+ ions exit, which produces a local change in membrane potential called the end plate potential
Shrew are both a secondary and tertiary consumer. Why? Well, shrews are mole-like animals that tend to prey upon herbivores and also carnivores, making shrews an omnivorous animal.