Can someone help me with some biology quizzes?? i'm in pre AP 9th grade biology

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

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.

How does photosynthesis show the conservation of mass and energy?