A) a large group of cells that grew without regulation.
A tumor is where there is a mutation that causes cells to lose their ability to self regulate, so they reproduce too fast and become unspecialised, causing a tumour.
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Explanation: because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
Answer:
Explanation:Q.)ATP= ADENOSINE TRI PHOSPHATE, ADENOSINE DI PHOSPHATE, DNA= DEOXYRIBO NUCLEIC ACID, RNA= RIBO NEUCLEIC ACID
Q.) BLOOD IS RED DUE TO THE PRESENCE OF HAEMOGLOBIN. BLOOD CONSISTS OF RBC , WBC AND PLATELETS
Q.) GREEN REVOLUTION BROUGHT ABOUT CHANGES IN AGRICULTURAL INDUSTRY LIKE USE OF HYV SEEDS . WHITE REVOLUTION CHANGED THE DAIRY INDUSTRY
Quaternary or fourth order consumers are those who occupy the fourth position in the trophic level or food chain, that is, they are species or organisms that feed on tertiary consumers
