Cell Structure
Genetics
The Cell Cycle
Animal and Plant Cells
Cancer
100
What theory states that all living things are composed of cells, all cells come from other cells, and cells are the basic unit of all organisms?
cell theory
100
What is the molecule that contains the genetic information of a cell?
DNA
100
What are the three stages in the cell cycle?
interphase, mitosis, and cytokinesis
100
What is the term that describes the shape of animal cells?
irregular
100
What is a change in DNA sequence of a gene or chromosome?
mutation
200
What is one of the several tiny structures within a cell?
organelles
200
What is the amount of chromosomes in a "normal" human cell?
46
200
During which stage does the cell grow, develop, and mature? (the longest stage)
interphase
200
What is the term that describes the shape of plant cells?
boxed-shaped
200
What is a disease caused by cells that go through uncontrolled cell division?
cancer
300
What is the jelly-like substance found inside the cell that contains organelles?
cytoplasm
300
Fill in the blank. Genes are the factors that control an organism's ________.
traits
300
During which stage of the cell cycle does the cell's nucleus divide in two?
mitosis
300
What is the structure that only plant cells have because they need an extra amount of protection?
cell wall
300
How does cancer form?
Cancer forms when the DNA in a cell becomes damaged and a mutation occurs causing the cells to function abnormally and grow and divide too fast.
400
What is a flexible structure that protects and controls what goes in and out of the cell?
cell membrane
400
True or False All cells contain some form of DNA, but not all cells contain a true nucleus.
true
400
During which stage of the cell cycle does the cytoplasm divide in half?
cytokinesis
400
Which type of cell has chloroplasts?
plant cells
400
What are some ways people can prevent cancer?
People can eat a healthy diet, exercise regularly, wear sunscreen, and avoid using tobacco and alcohol.
500
What are the basic building blocks from which all living organisms are made?
cells
500
What is a structure located in the nucleus that contains DNA called?
chromosome
500
During which stage of the cell cycle does the cell membrane of an animal cell look as if it is being pinched in the middle?
cytokinesis
500
What structures do animal and plant cells have in common?
cytoplasm, nucleus, chromosomes, cell membrane, DNA, genes, and ribosomes
500
Do all mutations cause cancer?
No
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