Which row in the chart below best describes the active transport of molecule X through a cell membrane? Row Movement of Molecule X ATP

1. high concentration →
low concentration used

2. high concentration →
low concentration not used

3. low concentration →
high concentration used

4. low concentration →
high concentration not used

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Read "who built the pyramids? ”. leave this link open while you answer the questions throughout the assignment. give at least two reasons why some people claim the pyramids of giza were constructed by aliens.

Which property of water causes water drops to bead on a freshly waxed car?