Which of the followings a defining characteristic that was common to all protocells (protbionts)? a. they possessed the ability to replicate DNA
b. they had simple organelles (e. g., mitochondria)
c. they were all autotrophs
d. had a membrane or membrane-like structure separating the inside from the outside
e. they all had a cell wall made of peptidoglycan

Talking listening and reacting non verbally are all part of communicating

Which entry is in the wrong position in the table?

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen