1.5 Flashcards
(15 cards)
what are the 4 unified principles of biology
- cell theory
- gene theory
- homeostasis
- evolution
what are the basics of the cell theory?
- all living organisms are made of one or more cells
- the cell is the basic unit structure
- all cells come from pre-existing cells
TRUE OR FALSE?
Cells are born from living cells
No, they arise from cell division
a process where cells multiply itself with the same genetic material
what theory controls the characteristics of living things?
the gene theory
a segment of DNA that has a genetic code to encode a protein
GENE
where is the gene located?
into the nucleus,
into the chromosome,
into the DNA
that’s where it settles
the change in the characteristics of living things over time
evolution
what helps living organisms survive and reproduce?
adaptation
Organisms have 2 copies of each gene that is slightly different from each other
alleles
In the 1600s, who is said to create the first compound microscope and telescope?
Zacharias Janssen
Who discovered bacteria by making his own microscope?
Anton Van Leeuwenhoek
discovered it through dental scapings, originally called animalcules
who concluded that every animal contained cells?
Theodore Schwann(got a cell named after him)
Who concluded that every plant had cells?
Matthias Schleiden(botanist)
Charles Darwin is known for?
the discovery of evolution, creating the book The Origin of Species.
What monk started the theory of genetics?
Gregor Mendel
