Karyotyping is used to:
study chromosomes.
treat Down syndrome.
repair chromosomes.
diagnose genetic diseases.
Would not be to distinguish between labeled DNA and amino acids.
You need to recognize that the higher on the food chain, the fewer the number of organisms that occupy that level. This is because of the energy that is available from one level to the next has to decrease since it is used for life's processes.
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Because then the doctor needs to know if the cancer is very harmful and if he can cure it
Answer: Pulmonary artery
Explanation:
All arteries carry blood away from the heart while all veins carry blood to the heart. With the exception of pulmonary artery, all arteries contain oxygenated blood while all veins except pulmonary vein contain deoxygenated blood.
Thus, pulmonary artery is the answer
