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Antibodies produced against one pathogen infecting the human body may not work against a different pathogen because antibodies are
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
This similarity between whales and alligators supports the idea that
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
This is an example of
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
The specialized function of this cell is most dependent on
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
Which statement best explains the resistance of garter snakes to the newt toxin?
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
A multicellular organism has cells that perform various roles in that organism. This is most likely due to the
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
The changes in the guard cells' activity illustrate
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
Which substances usually stimulate an immune response?
a feedback mechanism to control water loss
specific for the shape of the proteins present on a particular pathogen
an abiotic factor affecting gene expression
antigens
differentiation of cells during embryonic development
4
the DNA codes in the cell and the activity of ribosomes
alligators and whales share a common ancestor
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