Answer:
ok I can help you alright
I would choose the second option because animal are not objects that don’t feel anything they kinda like human(they have feelings).
The chemicals, neurotransmitters are released to carry a nerve impulse which is an electric signal transmitted by the nervous system. This impulse transmitted from one neuron to another. Examples of neurotransmitters are serotonin in which scientists thinks that a low level of this is one of the causes of depression.
Answer:
(1) It is known as a prosthetic group as heme consist of a protoporphyrin ring and a central iron atom. A prosthetic group is a specific non-polypeptide unit which is required for some protein's biological function.
(2) Coenzyme.
(3) It is known as an example of a cofactor as it is not a permanent part of the enzyme.
(4) It is known as a prosthetic group as it is permanently attached to the enzyme.
(5) Coenzyme-A.
(6) Cofactor.
(7) Cofactor.
Answer: 3.friction
Explanation: friction is a force of resistance acting between objects in contact and tending to dampen their motion