Levels of Organism
A group of what makes a organ?
Two or more tissues
Which organelle will keep harmful things as a barrier out of the plant and animal cell?
Cell membrane
What is a single celled organism with no nucleus called?
Prokaryote
What is the purpose of mitosis?
To duplicate cells and its cell parts
What are the three types of cell division
fission, mitosis, meiosis
The smallest unit of life of an organism is called what?
Cells
Which cell organelle holds DNA information and controls the cell?
Nucleus
What is the oldest form of life on earth?
Bacteria
Cell division begins in which cell organelle?
Nucleus
Crossing over of genetic material occurs in which phase?
Prophase 1
A heart is an example of what?
Organ
Which organelle does a plant cell have to make its own food using the sun (photosynthesis)?
What would happen without bacteria in your digestive track?
You wouldn't be able to break down and absorb nutrients
What is a chromosome?
Two DNA molecules together
What phases do the chromosomes line up in the middle of the cell?
Metaphase 1 and 2
Give two examples of unicellular organisms
Amoeba, bacteria, paramecium
The dots on the endoplasmic reticulum are what?
Ribosomes
What do eukaryotic and prokaryotic cells have in common?
Genetic information and ribosomes
What is the order of phases for mitosis?
PMAT
What is the main difference between mitosis and meiosis?
Mitosis creates an exact copy and ends with two cells, meiosis takes two different DNAs and have four cells in the end that are not identical
Name three benefits of being multicellular
larger size- less predators
longer life
specialization
What are the two organelles that are only found in plants?
Chloroplast and cell wall
Name two unicellular eukaryotes
90%
At the end of meiosis, you are left with what?
4 haploid cells/gametes