Concept 3 Review: Cell Cycle

Which level of organization is represented by a group of tissues working together to preform a complex function?

• Cell

• Tissue

• Organ

• Organism

Which of the following is an example of internal regulation during the cell cycle?

• a gap outside of the cell (caused by a skateboarding accident) triggers cell division

• A cell receives a signal from the cell's own nucleus to divide

• Tumor cells continue to divide without receiving a signal

• Hormones in the blood cause cell growth in a growing teenager

Which shows the proper levels of organism (large to small)

• organ system; organ; tissue; cell

• cell; organ; organ system; tissue

• organ system; cell; tissue; organ

• organ; organ system; tissue; cell

What is not true of malignant tumors?

• They do not require treatment

• They are easily removed through surgery

• They can cause tumors in other parts of the body.

• They contain cells that stay clustered together.

If a cell has 8 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?

• 4

• 6

• 8

• 16

During Interphase, a cell grows, duplicates organelles, and...

• divides the nucleus

• doubles its DNA

• Divides the cytoplasm

• Produces a new cell

Which organelle is critical for cell division?

• Centrioles

• Cilia

• Vacuoles

• Vesicles

Why is it important for cells of multicellular organisms to undergo mitosis?

• Mitosis allows for reproduction with male and female gametes

• Mitosis increases variation within an organism

• Mitosis produces cells that are different from the original dividing cell

• Mitosis produces cells that are identical to the original dividing cell.

By the end of prophase, all of the following has occurred EXCEPT

• The nuclear membrane has broken down

• Centrioles and spindle fibers have appeared

• Chromosomes have lined up in the middle of the cell

• DNA has become more tightly coiled into rod-shaped structures

What makes stem cells different from other cells in the body?

• They are larger than other cells, and can absorb broken cells to repair them

• They repair cells by breaking open and making their cell parts available for absorption into other cells

• They are undifferentiated cells that can turn into a number of different kinds of cells as needed.

• They are cells that grow uncontrollably