Cells: The Basic Units of Life CHAPTER 3
1.Which phrase describes a cell? a.is always very small b.does everything needed for life c.always looks like an egg d.is found only in plants
2.What are all organisms made of? a.plants b.protists c.cells d.eggs
3.Where do all cells come from? a.animals b.ponds c.cells d.eggs
4.What keeps the size of most cells very small? a.their hard shells b.the surface area–to- volume ratio c.food and wastes d.their thin surfaces
5.What protects the inside of a cell from the outside world? a.cytoplasmc.cell membrane b.nucleusd.DNA
6.How are archaea different from bacteria? a.Archaea have different ribosomes. b.Archaea have only one cell. c.Archaea have cell membranes. d.Archaea have RNA, not DNA.
7.What is cytoplasm? a.the nucleus of a cell b.the fluid inside a cell c.the genetic material in a cell d.the proteins in a cell
8.Where does photosynthesis take place in a cell? a.in the nucleus b.in the mitochondria c.in the chloroplasts d.in the ribosomes
9.What does the Golgi complex do in a cell? a.It packages and distributes proteins. b.It is the power source of the cell. c.It makes sugar and oxygen. d.It makes proteins.
10.What is the job of the lysosomes? a.They store water. b.They digest food particles. c.They make new cells. d.They package proteins.
11.a cell with a nucleus a.DNA b.eukaryote c.nucleus d.prokaryote
12.a cell without a nucleus a.DNA b.eukaryote c.nucleus d.prokaryote
13.genetic material in cells a.DNA b.eukaryote c.nucleus d.prokaryote
14.where DNA is stored a.DNA b.eukaryote c.nucleus d.prokaryote
15.stiff surfaces that support cells a.cell walls b. endoplasmic reticulum c.ribosome
16.organelle that makes proteins a.cell walls b. endoplasmic reticulum c.ribosome
17.a cell’s delivery system a.cell walls b. endoplasmic reticulum c.ribosome
18.The lowest level of organization is the ______________________ A. cell B. multicellular C. organ D. structure E. system F. tissue
19.Cells that are like each other and do the same job form a(n) A. cell B. multicellular C. organ D. structure E. system F. tissue
20.A structure made of two or more tissues working together is called a(n) A. cell B. multicellular C. organ D. structure E. system F. tissue
21.A group of organs that work together forms an organ A. cell B. multicellular C. organ D. structure E. system F. tissue
22.Larger size, longer life, and more- specialized cells are characteristics of ______________________ organisms. A. cell B. multicellular C. organ D. structure E. system F. tissue
23.How a part of an organism works is related to how it is built, or its A. cell B. multicellular C. organ D. structure E. system F. tissue