Which of the following describes how infectious agents in the environment would most likely affect one’s personal health? a. exposure would first cause a cell-mediated immune response from the body. b. infectious agents would trigger nonspecific external defenses such as sweat, saliva, and mucus. c. exposure would weaken the body’s immune system and leave it unable to fight future infections. d. infectious agents would invade the body and leave it unable to produce antibodies.

Structures in cells that carry out specific functions.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)