Examine the diagram of a cell.
Which organelle is marked with an X?
Y
cell membrane
mitochondrion
nucleus
ribosome

Agrid shows the positions of a subway stop and your house. the subway stop is located at (7, -7) and your house is located at (-3, 3). what is the distance, to the nearest unit, between your house and the subway stop? answersa-24b-19c-11d-14

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

How many structures do prokaryotic cells have in common with the eukaryotic cells? a. 2b. 3c. 4d. 5