The eruption of mt. pinatubo in the philippines a) caught the human population unaware, giving no prior signs of activity. b) affected only local, island ecosystems. c) produced aerosols that blocked the sun and resulted in a drop in global temperatures. d) produced large amounts of sulfur dioxide but few aerosols.

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material