Answer:
Deoxyribose sugar and phosphate groups
Explanation:
The Deoxyribose and phosphate groups are held together by hydrogen bonds. The Deoxyribose is also connected to the nucleic acids, making a complete nucleotide. Deoxyribose is only used in DNA, because DNA means Deoxyribonucleic Acid. RNA is made with a sugar called Ribose.
Answer:
When you are in the laboratory and take a direct sniff of the chemicals you are using, you run the risk of damaging your mucous membranes or your lungs. When it is necessary to smell chemicals in the lab, the proper technique is to cup your hand above the container and waft the air toward your face.
Explanation:
Have A Wonderful Day !!
Answer:
The correct answer is option b. "oncogenes".
Explanation:
Viral oncogenes are genetic materials that come from viruses responsible of development of cancer and oncogenesis: the persistent infection of virus. Human papillomavirus (HPV) is considered an oncovirus for having viral oncogenes and being a common cause of cancer. The more quickly HPV transforms into host cells the more likely it will express viral oncogenes, which helps the virus to keep infecting the cells and harms the host organism by causing cancer.