Hierarchy of Life
What are the three domains of life?
Archaea , Bacteria , and Eukarya
prokaryotic cells lack what?
a nucleus
What shape is the DNA in a eukaryotic cell?
linear DNA
What are the 4 things found inside every cell?
DNA, cytoplasm, cell membrane, and ribosomes
What is the basic unit of life?
cells
Which of the three domains has kingdoms?
Eukarya
What shape is the DNA of a prokaryotic cell?
circular DNA
Name three things that are in a eukaryotic cell, but are NOT in a prokaryotic cell
Nucleus, mitochondria, Golgi apparatus, rough ER, smooth ER
What is the hereditary material of a cell?
DNA
Biology is the study of what?
life
What are the four kingdoms?
Animal, plant, fungi, and protists
What, besides the fact they do not have a nucleus, makes prokaryotic cells smaller than eukaryotic cells?
they do not have organelles like mitochondria and Golgi apparatus
in the nucleus
ribosomes
Name 3 non-living things
rocks, water, solar, wind
Are archaea and bacteria prokaryotes or eukaryotes?
ribosomes, DNA, cytoplasm, cell membrane
mitochondria
what is the purpose of a cell membrane?
to act as a barrier and provide support
What is the term for how scientists name species?
binomial nomenclature
What is the word used to describe archaea that live in unusually intense environments?
extremophiles
in the cytoplasm
Why are eukaroytic cells much bigger than prokaryotic cells?
they have a nucleus and membrane bound organelles
What organelle do plant cells have, but animal cells do not?
chloroplast
What makes a substance organic? (what elements)
carbon and hydrogen