Examlex
Sticky-ended fragments can be joined by specific restriction enzymes.
Causal Explanations
The reasons given for why events happen, often focusing on identifying the factors or conditions that bring about certain outcomes.
Alternative Explanations
Different reasons or theories proposed to explain the same phenomenon, especially when the original explanation is challenged.
True Experiment
A type of scientific experiment where the researcher manipulates one variable and controls/randomizes the rest to observe the effect on a dependent variable.
Quasi-Experiment
A research design lacking random assignment of subjects to experimental and control groups, yet employing intervention and examination of its effects.
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Q54: Restriction enzymes cut single-stranded DNA molecules at