_________ is the command center of a cell; DNA in the form of chromosomes is here
nucleus
What is meiosis?
Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes
Who observed cork and named cells?
Hooke
____________ use organelles called chloroplast in their leaves to collect solar energy.
What is the job for cell membrane?
To protect the inside of the cell
What happens during meiosis?
one cell divides twice to form four daughter cells
True or False? Both Prokaryotes and Eukaryotes have ribosomes to synthesize proteins?
True
what is photosynthesis
a biological process that converts light energy from the sun into chemical energy for organisms like plants, algae, and some types of bacteria
What makes a cell eukaryotic?
Eukaryotic cells have nuclei.
What does meiosis produce?
Gametes
Who concluded that all cells come from preexisting cells?
Virchow
Photosynthesis uses __________,_________, and __________ energy to form 02 and glucose.
CO2 water and solar
_________ assists in cell-division in animal cells only
centriole
Whats the difference between meiosis and mitosis?
Mitosis produces two genetically identical “daughter” cells from a single “parent” cell, whereas meiosis produces cells that are genetically unique from the parent and contain only half as much DNA.
Name 3 parts of the Cell Theory.
1. All living organisms are composed of one or more cells
2. A cell is a basic structural and functional unit of living organisms
3. All cells arise from preexisting cells
the gas taken in by respiration is ___________; the gas produced by photosynthesis is ___.
02
What is mitochondria?
Energy-producing organelle of the cell.
What are the stages of meiosis?
Prophase I, Metaphase I, Anaphase I, Telophase I, Prophase II, Metaphase II, Anaphase II, Telophase II and Cytokinesis II
Name 3 things that eukaryotes have that prokaryotes don't.
1. Has a nucleus
2. Have organelles
3. Goes through mitosis
Most organisms use an organelles called _______________ to preform a process called _______________.
mitochondria and respiration