Which of the following characteristics is shared by a hagfish and a lamprey?
a) a rasping ton...
Biology, 20.09.2019 20:50 juliana0122
Which of the following characteristics is shared by a hagfish and a lamprey?
a) a rasping tongue
b) paired fins
c) jaws
d) a well-developed notochord
Answers: 1
Biology, 22.06.2019 01:30, ayoismeisalex
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 09:10, ekautz9675
In general, are there any major differences that you can see? explain
Answers: 3
Biology, 22.06.2019 14:00, anthonywdjr5211
How do the sperm cells get from the stigma to the ovules?
Answers: 1
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