Motor proteins provide for molecular motion in cells by interacting with which of the following cellular structures? components of the cytoskeleton
membrane proteins of the inner nuclear envelope
free ribosomes and ribosomes attached to the ER
cellulose fibers in the cell wall

The rate at which molecules water and oxygen can enter a cell is determined by the-

Aboy with an extra x chromosome probably has which of the following syndromes?

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.