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Inhale. Internal intercostal muscles relax. External intercostal muscles contract. Ribcage moves up and out. Diaphragm contracts and flattens. Volume in lungs increases. Pressure in lungs decreases. Air m...

Dissolve the sample in ethanol and then add water. The presence of triglycerides is confirmed by a white emulsion forming.

This question is all about genetic diversity and more specifically how difference in alleles is what creates diversity within a population of a species. (here I would ask about whether the student underst...

Farmers could keep information on their cows such as the milk yield of a bull's mother and daughters in order to select ideal bulls as male parents. These bulls would then be allowed to mate with (unrelat...

In order to break the hydrogen bonds connecting complementary base pairs, (G&C, T&A) in a double helix DNA strand, energy is required. In order to overcome this energy barrier there are enzymes in...