Why do some cells in your body have more mitochondria than others, give an example of part of the body that would have more mitochondria.

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a.one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b.one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c.one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.