Answers: 1
Biology, 22.06.2019 01:00
Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals
Answers: 1
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 09:00
Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.
Answers: 3
Biology, 22.06.2019 11:00
Which of the following are not included as modern mammals that evolved during the eocene epoch? primates artiodactyls perissodactyls none of the above
Answers: 1
Observations are (4 Points) O A list of materials needed to perform an experiment data including 5 s...
Mathematics, 02.09.2019 09:30
Social Studies, 02.09.2019 09:30
Social Studies, 02.09.2019 09:30
Mathematics, 02.09.2019 09:30
English, 02.09.2019 09:30
Mathematics, 02.09.2019 09:30
Biology, 02.09.2019 09:30
Mathematics, 02.09.2019 09:30
History, 02.09.2019 09:30