Please help:
1.
Despite differences in size and shape, all cells have DNA and a:
A- Cell wall
B- Mitochondria
C- Cell membrane
D- Nucleus
2.
Which of the following is NOT a part of the cell theory?
A- All cells contain a nucleus.
B- Cells are the basic unit of structure and function in an organism.
C- All living things are made of cells.
D- New cells are produced from existing cells.
3.
When using a light microscope to view a cell she obtained from scraping under her fingernails, Mrs. Smith notices that the cell lacks a nucleus; therefore, Mrs. Smith concludes that the cell must be a type of _____ cell.
A- Animal
B- Plant
C- Eukaryotic
D- Prokaryotic
4.
Which of the following kinds of cell perform basic functions such as obtaining energy from food?
A- Plant cells, but not animal cells
B- Animal cells, but not plant cells
C- Both plant cells and animal cells
D- Neither plant cells nor animal cells
5.
Which cell structures are sometimes found attached to the endoplasmic reticulum?
A- Chloroplasts
B- Ribosomes
C- Nuclei
D- Mitochondria