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What where the first eukaryotic organisms on earth?
The first eukaryotic organisms on Earth are believed to have evolved around 2 billion years ago. These ancient eukaryotes likely arose from a symbiotic relationship between different prokaryotic cells, leading to the development of more complex cells with distinct organelles.
Where does Atp production occur?
Mitochondria. The mitochondria's primary function is to convert the potential chemical energy of molecules into a form that the cell can use, which is ATP. It is made my the process of cellular respiration using fuel molecules and Oxygen. ATP is made up of Adenosine molecule attached to three phosphate groups.
A nine two configuration of microtubules is found in?
The 9+2 configuration of microtubules is found in the flagella and cilia of eukaryotic cells. This arrangement consists of a central pair of microtubules surrounded by nine outer doublets, providing structural support and facilitating movement.
What is calcium's role in prokaryotes?
1, It split the cells into half 2, Cells split wil start growing bigger 3, Splited cells split again 4, They Burst 5, Their bursted pieces touch Calcium 6, Calcium detonates 7, The end of the Earth
What is the first step in eukaryotic DNA replication?
1.) The 2 copies of DNA produced by replication in each chromosome remain closely associated until the cell enters prophase of mitosis. 2.) At that point, the chromosomes condense, and the two chromatids in each chromosome become clearly visible. 3.) They separate from each other in anaphase os mitosis, producing 2 cells, each with a complete set of genes coded in DNA.
What are 2 basic type of cells?
prokaryotic and eukaryotic cells
Bacterial cells are usually much larger than eukaryotic cells?
There are 2 basic cell types: prokaryotic and eukaryotic. Prokaryotic cells arebacteria.Eukaryotic cells generally are larger and more complex than prokaryotic cells.
What 2 groups are living things classified as?
Eukaryotic or prokaryotic
Difference between eukaryotic cell and prokaryotic cell?
Eukariya means true nucleus.Main difference is Eukariyotes have a nucleus.Having membranous organells is identical to eukaryotes.
Is the evolution of the prokaryote before a eukaryote cell?
Yes, prokaryotic cells evolved before eukaryotic cells. Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both. It is believed that eukaryotic cells evolved from prokaryotic cells through a process called endosymbiosis.
What are the two broad categories of cells?
1) somatic cells - regenerative cells, replace the old,worn out cells body in other words, meets the normal wear and tear of cells. 2) Gametes- reproductive cells, this event occurs only once in lifetime of any organism.
What are the 2 types of cells living organisms may be made up of?
Prokaryotic or Eukaryotic
What is the difference between prokaryotic cell and eurokaryotic cell?
The main difference is that Eukaryotic cells have a nucleus. Or to be more accurate Eukaryotic cells have membrane bound compartments in which metabolic activity takes place. Such are membrane bound organelles like Mitochondria.
Can cells be different sixes and shapes?
Yes cells can be different sizes and shapes. There are also 2 different types of cells Prokaryotic and Eukaryotic. The difference is that Prokaryotic are single cellar and also are bacteria cells. Eukaryotic cells are multi cellar and also are animal and plant cells.
What are 5 differences between prokaryotics and eukaryotics?
prokaryotic:-1 True nucleus not present. 2 membrane bound organelles are lacking. 3 size- 1-10mm 4 single chromosomes. 5 nucleus absence. Eukaryotic:- 1True nucleus present. 2 organelles are membrane bounded. 3 size- 5-100mm 4 more than 1 chromosomes. 5 nucleus present.
Is the following true or false The ancestor of all eukaryotic cells evolved about 2 billion years ago?
True. The ancestor of all eukaryotic cells is thought to have evolved approximately 2 billion years ago through a process of endosymbiosis, where prokaryotic cells engulfed other prokaryotic cells, leading to the formation of more complex eukaryotic cells.
How many more organelles do prokaryotic cells have then eukaryotic cells?
Prokaryotic:no nucleuscircular DNAonly ribosomescell wall in allplasmids in mostEukaryotic:NucleusLinear DNAno plasmidsMany cellular organellessome with cell membrane only
