the smallest unit that can carry on all of the processes of life
100
What is the membrane bound organelle that contains a cells DNA?
nucleus
100
What are structures in the nucleus made of DNA and protein?
chromosomes
100
What does the cell wall lie outside of?
the plasma membrane
100
true or false: some of the common features cells share are a cell membrane, cytoplasm, ribosomes, and genetic material
true
200
how many parts does the cell theory have in it?
three
200
What is the difference between Prokaryotes and Eukaryotes?
Prokaryotes lack a membrane bound nucleus and membrane bound organelles and Eukaryotes do not
200
true or false: nucleolus are organelles made of protein and RNA that direct protein synthesis in the cytoplasm
false: ribosomes
200
What is a large, fluid filled organelle that stores water, enzymes, metabolic wastes, and other materials?
the central vacuole
200
What do prokaryotes lack?
a nucleus and membrane bound organelles.
300
true or false: Matthias Schleiden was the first person to observe living cells
false: Leeuwenhoek
300
What is the part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane bound organelles?
cytosol
300
What are tiny organelles that transfer energy from organic molecules to adenosine triphosphate?
mitochondria
300
true or false: chloroplast DNA is not similar to the DNA of certain photosynthetic bacteria.
false
300
Where is the genetic material concentrated in prokaryotes?
nucleoid
400
State the three fundamental parts of the cell theory.
.1. All living organisms are composed of one or more cells
2. Cells are the basic units of structure and function in an organism
3. Cells come only from the reproduction of existing cells
400
What is an organ system
a group of organs that accomplish related tasks
400
What is a system of membranous tubes and sacs, called cisternae?
endoplasmic reticulum
400
What is the green pigment that Thylakoids contain?
chlorophyll
400
true or false: plant cells lack a large central vacuole
false
500
Who were the first two people to report observations of the cell?
Robert Hooke and Leeuwenhoek
500
Groups of tissues that perform a particular job in an organism are called...
organs
500
What are lysosomes?
vesicles that bud from the Golgi apparatus and contain digestive enzymes
500
What do chloroplasts use to make carbohydrates from carbon dioxide and water?
light energy
500
What are three unique features that are important to a plant function?