Also viruses have nucleic acid whether DNA or RNA nucleic acid, they are so minute that you can't observed them,
it's letter C, they are also responsible for proteins. their cell wall is made up of capsid.
Any property that describes how a substance reacts with another substance when forming a new substance is the Property of Reactivity
.
Explanation:
The ability of substance to readily react with other substance to produce new product is called as reactivity.
It describes about different methods used by the reactants to form new product.
Sometimes one single reactant gives rise to two different products as in splitting of water during which the following reaction takes place:
H_2 O →2H_2 + O
On contrary, two substance combines together to give rise to one single product as:
2 Mg + O_2 →2MgO
Answer:
Digestion, excretion and transportation of substances.
Explanation:
Chemical reactions such as breakdown of food, cleaning of blood and absorption of nutrients and digestion are the activities that our body done with the use of energy. Digestion of food needs energy for the breakdown of food with the help of several enzymes. Transportation of waste materials and other substances also needs energy. Our cells absorb nutrients with the help of energy molecules through active transport.
it is a stationary front because the stationary fron does not move from one place.
The polio vaccine works as :
It triggers the immune system to produce antibodies to fight the disease causing agent.
Option 1 is the correct answer.
Explanation:
Polio vaccine is attenuated disease causing virus which helps in the production of antibodies to fight the disease. The immunity for polio gets develop in the individual given polio vaccines.
Jonas Salk discovered the the vaccine for polio by using inactivated polio causing virus.
The polio vaccine produces antibodies in the blood when interaction with polio virus is there.
The paralysis of the legs can be prevented as polio virus do not reach the nervous system and spinal cord of the individual.
There are two types of polio vaccines given across the globe:
oral polio vaccine and inactivated polio vaccine (via injection)
