No you don't have to be green
Correct answer: D). They take nutrients needed by healthy cells, and as they grow they interfere with the function of normal cells and organs.
Cancer is uncontrolled growth of the cell in the body. The Old cell does not die and instead of that, they have grown out of control, which results in the formation of new abnormal cells. These may form a mass of tissue called a tumor.
Due to uncontrolled growth of a cell, the normal function of neighboring tissue or organ may be disturbed or it might damage vital organ such as kidney, heart, lung etc and may cause death.
Answer:
Answer in bold
When the fertility rate falls below replacement level, the population grows older and shrinks, which can slow economic growth and strain government budgets.
Explanation:
The proteins encoded by genes within the same gene family have modularity if structure because : ( D ) gene families usually have similar DNA sequences and therefore similar protein structure.
A gene family is a set of similar genes that is formed by the duplication of single original gene, which has a similar biochemical function. natural selection affects the increase or decrease of a gene family.
Gene families have similar DNA sequence because the genes found in a gene family is from an ancestral gene, also their protein structure is similar
Hence we can conclude that gene families usually have similar DNA sequences and therefore similar protein structure.
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