What are 3 types of molecules that are common antigens recognized by the adaptive immune system?

Assuming that it will rain when the sky is cloudy and dark is an example of a

How is energy released during respiration?

Which of these statements is the main reason smallpox was eradicated a. the smallpox virus only infects humans b. the virus is inhaled or enters the body through the skin c. the virus can survive for long periods outside it's human host

Adapted leaves have features that repel animal what is the plant?

Kari is having lunch with a friend who has been just diagnosed with cancer. what kind of listening is likely to occur?

Which is an example of commensalism in the tropical rainforest? a. parasites feed on the sloth's body. b. sloths are food for other animals. c. algae live in a sloth's fur, providing it with camouflage. d. insects lay eggs in the sloth's waste.

Why do you think the caterpillar is colored green?

A punnet square predicts a 9:3:3:1 ratio for phenotypes. Explain what that ratio means ...

What is the meaning of virus?

A 6-year-old boy has marked edema of the legs, accumulation of fluid in the abdomen, and a low blood serum albumin and total serum protein. his urine contains large amounts of protein. what is the most likely cause of edema?