I just had this answer but it hasn't been graded. I put 1. Meteor impacts, 2. volcanic gases and 5. Milankovitch cycles. I didn't put earthquakes because I wouldn't think it would affect the climate changing since they just affect ground movement.
Answer:
four billion years ago the earth had a layer of ozone gas
T<span>chromatins make up </span>chromosomes<span>. Chromatins are just a combination of DNA, histones(a type of proteins) and RNA. Strands of DNA are considered as chromatins and when these strands combine, this forms the </span>chromosome<span>. </span>Chromatin<span> is untangled and unfolded DNA, while </span>chromosome<span> is condensed DNA. T</span>he chromatin, dispersed in the nucleus, is a set of filamentous DNA molecules associated to nuclear proteins called histones. Each DNA filament is a double helix of DNA and thus a chromosome.
Answer:
i cant see what it says to blurry
Explanation:
Answera. use site specific recombination to incorporate their genome into the host genome for prophage replication until the host's growth is threatened.
Explanation:
A temperate phage is a bacteriophage which incorporate it's genome inside the host organism. It replicates it's own genome within the host cell. It basically uses the site specific recombination so as to incorporate the genome within the host cell.