Name the levels of organization in order from largest to smallest: organs, tissue, organelles, organ system, cells
organ system-> organ-> tissue-> cell -> organelles
How many chromosomes do humans have?
46
How many cells are humans made up of?
10-100 trillion
Which organelle is the powerhouse of the cell?
Mitochondria
What are the two types of reproduction?
What structure pulls chromosomes apart?
mitotic spindles
In what stage do the chromosomes duplicate?
interphase
Describe one similarity between plant and animal cells
Answers may vary - 1) They both have DNA. 2) They both have a cell membrane, cytoplasm, or ribosome
What holds and protects the cells organelles
cytoplasm
Name ALL the steps of the cell cycle in order.
Interphase, prophase, metaphase, anaphase, telophase, and cytokinesis
Name all the stages of mitosis
prophase, metaphase, telophase, anaphase
What is a cell
A cell is the smallest and most basic unit of life
Name at least 2 organelles that are only found in the plant cell and not an animal cell.
Chloroplast, cell wall.
Where is genetic information found in cells?
DNA
Provide 2 reasons why cells divide.
1) For growth. 3) To replace damaged or old cells
Name the 3 ideas of cell theory
A cell is the basic unit of life
All cells come from pre-existing cells
All living things are made up of one or more cell
Name 4 of the characteristics of living things.
Answers may vary: 1) Have cells. 2) Have DNA. 3) Can reproduce. 4) Must get energy and materials. 5) Grow and develop. 6) Have a lifespan. 7) Requires energy. 8) Produces waste.