The conferences are held both on National and International levels to address the matter concerning for the global environment. Global warming is the major concern for the entire world. The 1987 Montreal Protocol was also held in this context and was signed to address which one of the following? top green house effect

Conservation of wild life

To reduce the release of CFC gas

To ban nuclear testing

answer; the above statement is (true);

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.

the answer to the blank provided is “an autosomal gene that is required for the expression of genes on the x chromosome”.

testis-determining factor, abbreviated as td, which is more popularly known as sex-determining region y or sry protein, is a dna-binding protein or  gene-regulatory protein/transcription factor, encoded by the  sry gene. it is the gene responsible for the initiation of male gender determination in humans.