Flashcards in lecture 3 Deck (16)
what is variability?
many kinds of organisms within each kind of organism
what is stability?
within kinds of organisms
When was the microscope developed? & what was observed?
When was the nucleus first viewed?
When were staining procedures developed? what was viewed for first time?
when was the cell theory developed?
When was DNA discovered?q
are chromosomes Eukaryotic or prokaryotic?
long thread-like molecules tightly coiled into chromosomes
how many chromosomes do humans have?
what are genes?
specific regions of DNA located linearly on specific chromosomes (hundreds of thousands of genes per chromosome
what are haploid cells?
one of each kind of chromosome
What are diploid cells?
2 of each kind of chromosome
What is cytokinesis?
what are methanogens?
make up most of Earth's atmosphere (co2+h2