Biology

Biology, 14.07.2019 18:00, lesli8178

Activated b cells divide to form plasma cells and memory b cells, both of which are short-lived and secrete copious amounts of antibody molecules into the bloodstream. a. true b. false

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Biology, 24.07.2019 03:30, coco9972

Which of the following happens when infected body cells are detected during a cell mediated immune response a. t cells divide and activate cytotoxic tcells, which destroy the infected cells. b. memory t cells divide and form t cells, which destroy the infected cells . c. b lymphocytes divide and activate memory b cells, which destroy the infected cells d. memory b cells divide and form plasma cells which destroy the infected cells

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Biology, 23.08.2019 23:30, kendallnowell18

1) which of the following best describes what causes plasma cells to form during a humoral immune response? a) memory b cells signal phagocytes to attack infected cells and divide, producing plasma cells. b) the antibodies on the surface of b cells bind to antigens, and the b cells grow and divide, producing plasma cells. c) the antigens on the surface of a pathogen attack healthy cells, and the resulting inflammation signals t cells to divide, producing plasma cells. d) memory t cells recognize antigens and signal t lymphocytes to divide, producing plasma cells 2) damage to which of the following structures would be most likely to result in an increase in mutations in a man's sperm cells? a) epididymis b) testes c) urethra d) scrotum

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Biology, 26.09.2019 23:30, fatimitashikita

Which of the following best describes steps that take place during a humoral immune response? a. t cells divide into t cells and cytotoxic t cells to fight infectious agents. b. cytotoxic t cells destroy pathogens that are detected by memory t cells. c. memory b cells divide and produce plasma cells that engulf and destroy pathogens. d. b cells bind to an antigen and produce plasma cells and memory b cells.

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Biology, 07.10.2019 23:30, recklessunreached

Which of the following happens when infected body cells are detected during a cell-mediated immune response? (2 points) t cells divide and activate cytotoxic t cells, which destroy the infected cells. memory t cells divide and form t cells, which destroy the infected cells. b lymphocytes divide and activate memory b cells, which destroy the infected cells. memory b cells divide and form plasma cells, which destroy the infected cells.

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