Which of the following describe membranes?
Check all that apply.
a structure that secret...
Which of the following describe membranes?
Check all that apply.
a structure that secretes substances through
a duct
a thin layer that separates or connects
structures inside the body
a structure that secretes hormones into the
bloodstream
a structure usually made from connective and
epithelial cells
Answers: 3
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Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.
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Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.
Answers: 3
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