Biology, 14.04.2020 19:01 MrRandomUser
A scientist is trying to isolate a penicillin-resistant His- bacterial mutant from a mixed population. To isolate penicillin-resistant mutants, the scientist must inoculate the parent population on plates containing ; this approach is selection.
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Biology, 21.06.2019 20:00
The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.
Answers: 3
Biology, 23.06.2019 00:30
Biology students used raw eggs in an experiment on tonicity and osmosis. the students put their eggs into vinegar to remove the shells. the vinegar was used to remove the shell from the raw egg. what other effect(s) did the vinegar have on the egg?
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Biology, 23.06.2019 07:00
What is the definition these biological terms haemolysis plasmolysis crenation turgidity flaccidity
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Biology, 23.06.2019 12:10
How does the temperature of water change if you heat it after it has already reached the boiling point? a. it does not change b. it increases c. it decreases d. it increases then slowly decreases
Answers: 1
A scientist is trying to isolate a penicillin-resistant His- bacterial mutant from a mixed populatio...
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