12 Questions
What term refers to the microscope's power to increase an object's apparent size?
magnification
What theory believes that all living things are composed of one or more cells?
cell theory
What organelle contains DNA and directs the activity of the cell?
nucleus
How many chromosomes do human body cells have?
46
What type of cell division is used only for sexual reproduction and halves the chromosome number before fertilization?
meiosis
What is the term used to describe the preparation phase where a cell doubles organelles, grows in size, and DNA replicates?
interphase
What is the term used to describe a cell containing a single set of chromosomes?
haploid
What refers to the microscope's power to show detail clearly?
resolution
Who concluded that all plants are composed of cells?
Schleiden
What type of change in chromosome structure involves one or both ends of a chromosome breaking off?
terminal deletion
What is the term used to describe the correct number of chromosomes in a species?
euploid
During which phase of cell division are sister chromatids pulled apart to opposite poles of the cell?
anaphase
Test your knowledge on cell biology with this quiz covering topics such as microscopic observations, cell theory, organelles, chromosomes, and cell division phases.
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