Answer:
Both A and B are true.
Explanation:
Statement A is The mass of a watermelon is equal to the mass of the flowerpot, baseball, dog and pumpkin combined.
Statement B is The weight of a watermelon is equal to the weight of the flowerpot, baseball, dog and pumpkin combined.
Both statement A and B are true.
Answer:
The correct answer is A acetylcholine binds to a receptor protein on the motor end plate
Explanation:
The neurotransmitter acetylcholine is released by the motor neuron during the transmission of signals across a neuromuscular junction.
The released acetylcholine then diffuses the synaptic cleft and binds to the receptor protein present on the membrane of muscle fibre.
This ultimately result in the influx of sodium ion inside the muscle cell thereby causing depolarization to generate an action potential.
Answer:
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Answer:
Explanation:
Antibodies have three main functions: 1) Antibodies are secreted into the blood and mucosa, where they bind to and inactivate foreign substances such as pathogens and toxins (neutralization). 2) Antibodies activate the complement system to destroy bacterial cells by lysis (punching holes in the cell wall).
<span>Based on the
cladogram, mackerel has segmented body and jaws. They have vertical stripes on
their backs and fork tails. In addition, mackerel is a multicellular species of
pelagic fish, which were restricted in their distribution ranges and live in
separate populations.</span>
