Answer true or false 1. Robert Hooke was the first person to see cells.
2. Bacteria cells have a cell membrane.
3. Plant cells have cytoplasm.
4. Cells taken from fungi do not have DNA.
5. Cells can only come from pre-existing cells.
6. The framework of the cell is called the cytoplasm.
7. The outer boundary of the cell is the cell membrane.

What is one energy transformation that is taking place in the photo? radiant energy to thermal energy thermal energy to nuclear energy chemical energy to thermal energy radiant energy to chemical energy

Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?