Answer:
Most of the time, cells are in interphase, where growth occurs and cellular components are made. DNA is manufactured during S phase. To prepare the cell for Sphase (DNA synthesis), G1 phase occurs (the preparation of DNA synthesis machinery, production of histones).
Worms don't have lungs. They breathe through their skin.
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Answer:
c
Explanation:
i took test This image displays a model of:
a.
an amino acid.
c.
a cancerous cell.
b.
an unfolded, unstable protein.
d.
none of the
Because they have bones. They are called vertebrates because vertebra are the sections that make up the backbone of all these animals.
Answer:
c. The mitochondria and chloroplast have their own DNA
Explanation:
According to the endosymbiotic theory, mitochondria and chloroplasts were prokaryotic organisms that lived freely. These structures were encompassed by eukaryotic cells, which resulted in a symbiotic relationship, in which both parties benefited from the association.
There are some characteristics in mitochondria and chloroplasts that serve as evidence for this theory, one of these evidences is the presence of DNA in these organelles.
Mitochondria and chloroplasts have their own genome. Mitochondrial and chloroplast DNA is circular and without proteins called histones.