Which of the following is an example of energy being used to do work?
a. a woman sits on the edge of a bench.
b. a soccer ball rests at the top of a hill.
c. a girl climbs up a ladder holding a paint can.
d. a boy holds a fishing pole over the water.

Which of these best describes wde by replicating the chromosomes c) the cytoplasm is divided between the two new daughter cells d) the nucleus opens to allow the chromosomes to enter the cytoplasm

Which of these is true for bacteria because they are prokaryotic cells? a. they can engulf body cells in order to make memory cells. b. they must invade viruses in order to reproduce. c. they are much larger than eukaryotic body cells. d. they can reproduce on their own outside of other cells.

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring