D. 99% of all living things that have ever existed are now extinct
The type of bonds that are involved in these transient protein - DNA interactions include: IONIC BOND, VANDER WAAL FORCES AND HYDROGEN BOND.
Protein - DNA interaction occur when a protein bind to DNA molecule; this reaction usually occur in order to regulate the function of DNA, especially that of expression of genes. Protein interaction with DNA may be specific or non specific.
It is chloroplast I guess because once i read that mitochondria has not much importance in being an autonomous organelle
Answer:
(1) by increasing carbon dioxide and decreases oxygen
