Answer:
A
Explanation:
by definition, cell membrane receptor are specialized membrane proteins, allowing communication between the cell and the extracellular space.
Answer:
The continuous use in aesthetics and other medical procedures of botulinum toxin is known, however there is no scientific evidence to support the doses necessary to kill a cell in humans, it is known that this toxin is measured in units of mouse oMU, referring a unit of notulin toxin is equivalent to 0.05 nanograms, with a lethal dose in mice of 0.00000033 mg and for humans from 1 to 2 µg.
It is known that in terms of its mechanism of action, it occurs by blocking the acetylcholine output of the presynaptic neuron, which generates muscle paralysis, making it possible to recover after approximately 3 months.
Answer:B
Explanation: When storm wind occur it makes trees fall to the ground and in some cases wildfire occurs.
Velocity at the peak of an objects height is always 0. you’re fastest when you are falling back down because of acceleration due to gravity. Whereas when you jump, you’re actually slowing down because gravity is pulling you down (your velocity on the way up is getting smaller)
Answer: (A) those states with the strictest environmental regulations invest the most in education and job training.
Explanation:
A hypothesis is a presumed fact that is based on the assumption for determining the cause of a natural process. It is based on the limited and few evidences. A fact is more useful as it is based on the direct observations.
The fact is exclusive of the hypothesis the main reason which matches with that of the fact is A. As investing in the education as well as the job training will help in building up the economy of the state more then the restrictions made on the environmental regulations.
