Answer:
D. all of these.
Explanation:
All of these are the questions that involves ethical considerations because the method used in these questions are not doing naturally. Vitro fertilization is the fusion of woman's egg with the sperm of male outside the uterus of women which is unethical. Testing of unborn children in the womb for genetic disorders and producing genetically modify plants are also unethical because it does not occur naturally. It occurs due to intervention of humans in God's creation.
RNA travels to ribosomes, after leaving the nucleus, to perform translation and form amino acid with the help of tRNA
It moves through rocks, water, soil and sediments I think hope this helps
It is a catecholamine. It is also known as adrenaline. It will increase the heart rate and other flight or fight responses.