Biology, 05.07.2019 09:30 jhakaiahscott3062
Mrs. hines is grading her students' biology exams. question 3 asks students to circle the answers that classify a cell as a prokaryote. one student's exam has the following answers circled: has genetic material found within a nucleus has cytoplasm has a cell membrane why should mrs. hines mark the student's answer incorrect? the student's answers are correct, and mrs. hines made a mistake. prokaryotes do not have a nucleus. only eukaryotes have cytoplasm. prokaryotes do not have a cell membrane.
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 02:50
Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
Answers: 2
Biology, 22.06.2019 06:30
Explain how scientists use geologic time to determine the age of landforms.
Answers: 1
Mrs. hines is grading her students' biology exams. question 3 asks students to circle the answers th...
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