Which best describes the pericardium? structures inside the heart that ensure that blood flows in one direction only a sac around the heart that allows the heart muscle to receive oxygen a sac around the heart that protects the heart and chest tissues structures inside the heart that bring blood to the lungs for oxygenation
Answers: 2
Biology, 21.06.2019 23:10
Afamily has a y-linked disease that affects the father. what is the chance of a male offspring inheriting the same disease? oa. 100% ob. 50% oc. 25% d. 0%
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Biology, 22.06.2019 08:30
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.
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Biology, 22.06.2019 09:00
Were you able to observe the nucleolus in any of the cells if so which ones
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Biology, 22.06.2019 11:30
Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different
Answers: 2
Which best describes the pericardium? structures inside the heart that ensure that blood flows in...
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