Biology

2. A group of viruses that infect the cells on the surface of the skin
3. A highly contagious respiratory disease caused by the SARS-CoV-2 virus
7. a form of non-ionizing radiation that is emitted by the sun and artificial sources, such as tanning beds.
10. an organism deficient in coloring matter.
13. the cell grows physically larger, copies organelles, and makes the molecular building blocks it will need in later steps
14. the phase of the cell cycle in which a typical cell spends most of its life.
15. virus that causes severe inflammation and tissue damage throughout the bod
16. virus that attacks the body's immune system
17. the action of ______ a body or plant to study its internal parts.
19. A nutrient that the body needs in small amounts to function and stay healthy
20. any of a group of DNA viruses first discovered in adenoid tissue, most of which cause respiratory diseases.

1. a series of steps during which the chromosomes and other cell material double to make two copies
4. a single stranded RNA virus that infects plants, especially tobacco and other members of the family Solanaceae
5. an infectious disease caused by a virus. The virus is carried by infected mosquitoes, including the Aedes aegypti and Aedes albopictus species
6. virus that causes influenza (the flu), a highly contagious respiratory illnes
8. a contagious and fatal viral disease of dogs and other mammals that causes madness and convulsions, transmissible through the saliva to humans.
9. usually cause cell lysis of their hosts (known as a lytic infection)
11. a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals. It is responsible for tanning of skin exposed to sunlight.
12. a series of events that takes place in a cell as it grows and divides
18. a swelling of a part of the body, generally without inflammation, caused by an abnormal growth of tissue, whether benign or malignant.