Answer:
As far as I remember, the answer should be: Elliptical galaxies have no spiral arms.
Explanation:
Hope am right and hope this helps
plz give me brainlist :)
Answer:
Skin cancer refers to the abnormal activity of skin cells associated with carcinogenesis
Explanation:
This disease is associated with the DNA damage (mutations) often caused by the irrational exposition to UV sun rays that trigger DNA mutations capable of both inactivating tumor suppresor genes and activating oncogenes
<span>If I were attempting to date a rock sample that I suspect to be incredibly old, i would use radioactive isotopes with a long half life. When dating rocks and fossils to discover approximately how old they are, radioisotope dating is used on igneous rocks found near fossils. Things like Uranium 235, which is an unstable radioactive isotope of elements, decays at a constant rate over time so can be useful in determining age.</span>
According to this principal, if a recessive gene for tallness is paired with another recessive gene for tallness, the organism is categorized as a homozygous recessive in terms of its genotype.
