Macromolecules
What are the four major macromolecules?
Carbohydrates, lipids, proteins, and nucleic acids.
What is an infectios agent that cannot live without a host cell or reproduce on it's own?
Virus
What is a cell?
The smallest unit of life
What is the key difference between the plant and animal cell.
The shape of the cells
what is the difference between prokaryotic and eukaryotic?
Prokaryotic cells lack a nucleus and membrane bound organelles.
Which Monomer makes up proteins?
Amino acids.
Why does a virus need to enter a host cell?
To live and reproduce
What do people use to see cells?
Microscope
What do animal cells have that plant cells do not?
centrioles, lysosomes, cilia, and flagella.
what does prokaryotic mean
Which macromolecule forms membranes and can act as long term energy storage?
Lipids
What are two structures cells have that viruses don't that allow them to produce their own energy
What is cell theory?
The principle that all living organisms are made of cells.
What does the plant cell have that the animal cell does not have?
cell wall, chloroplasts, and a large central vacuole
How many cells can a eukaryote organism have
one - trillions
Which molecule plays a crucial role in protein synthesis in the ribosome.
ribosomal RNA's
contrary to cells, how do viruses carry their genetic information?
RNA
Who mainly contributed to the discovery of cells? (4)
Hooke, Schleiden, Schwann, and Virchow.
Who identified the plant cell in 1665
Robert Hooke
What structures do prokaryotes use for movement
Flagella
Which carbohydrate is a polymore of glucose and serves as a majory energy source in plants?
Starch
What is the process of reproduction for a virus called?
Viral replication
Which botanist and zoologist co-formulated the statement that all living organisms are made of one or more cells?
Matthias Schleiden and Theodor Schwann
Who identified the animal cell in the 19th century?
Theodore Schwann
What structures do eukaryotes use for movements. (2)
flagella and cilia.