8.1 Life is Cellular
The basic unit of life is known as this.
What is the cell
The control center of the cell and holds genetic information in the form of DNA
What is the nucleus
The movement of particles/molecules from a high concentration to a low concentration
What is diffusion/passive transport
The levels of organization within human bodies (multicellular organisms)
What are cells --> tissue --> organ --> organ system --> organism
The organelle that Ms. Marlow things is the most important organelle in a eukaryotic cell
What is the nucleus?
The name of the theory that postulates:
- all living things are made of cells
- all cells come from pre-existing cells
- cells are the basic unit of life
What is cell theory?
An organelle that plants have, which animal cells do not have
What are chloroplasts
The transport protein that helps water move in and out of the cell
What are aquaporins
The definition of homeostasis
What is active transport?
The name of the scientist who first saw living things under a microscope.
The three organelle primarily responsible for protein production
What are ribosomes, rough ER, and the Golgi Apparatus
What is shrink/shrivel up?
Unicellular organisms maintain homeostasis by doing four things
What is grow, transform energy, respond to the environment, and reproduce?
This electron microscope shows micrographs that are 2-D and of non-living organisms.
What are transmission electron microscopes?
An example of a prokaryotic organism and a eukaryotic organism
What are bacteria and humans
The role of mitochondria (can't say powerhouse of the cell)
What is transform chemical energy within food into ATP
Name two types of active transport
endocytosis and exocytosis
The spaces in between cells that allow for cell-cell communication
What are gap junctions?
The smaller units of measurement go: m, cm, mm, 𝛍m, pm, nm. 𝛍m stands for...
What is a micrometer?
This microscope uses lenses to magnify the image of an object by focusing electrons
What is an electron microscope
Plant and animal cells have different kinds of vacuoles.
What are contractile vacuoles (animals) and central vacuoles (plants)
Name 3 differences between passive and active transport
What is: energy requirement, moving in opposite directions on the concentration gradient, the size of molecules moving across the membrane
An example of an organ system in the human body
What is Nervous, Muscular, Digestive, etc?
Microscopes contributed to the field of biology by doing what?
What allows scientists to observe microscopic things that the human eye cannot see without?