That's what prokaryotic and eukaryotic cells have in common. But there are significant differences between them too. The two main differences are age and structure.(:
christina was here!
As I know- binary fission- happends in mastigophora and ciliophora and bacteria.This kind of division happends in these sorts of protozoa and bacteria just the same.
they both replicate all their DNA and use the process of cytokinesis when the cytoplasm divides with the cell
They both replicate all their DNA and use the process od cytokinesis when the cytoplasm divides with a cell.
abay ewan ko kaya nga ako naghahanap eh
eukaryotic animal plant and prokaryotic..... at least i think that's how u spell it.
human bones are eukaryotic cells as they contain well developed nucles.
The oldest life fossils are very simple - prokaryotic no doubt and not that different from many of today's prokaryotic cell structure. Evolution in general seems to be an increase in complexity. Thus the first cells would logically be prokaryotic, or at least noneukaryotic. This is because prokaryotic cells are much simpler than prokaryotic cells which contain multiple membranous organelles to complicate their structure. Note that just because the oldest life fossils are prokaryotic does not prove that they preceeded the eukaryotes or that they were the VERY FIRST life on earth. Can there be simpler life than prokaryotes one wonders? However, no fossils have been found that are older than those 'first' prokaryotes, and as I have said it would be illogical for more complex eukaryotes to precede the simpler prokaryotes. The oldest fossils therefore (between 3.5 and 3.8 billion years old) are thus accepted as both the first life and prokaryotic.
the cells photoperiod
Prokaryotes are a group of organisms that lack a membrane bound nucleus. Most prokaryotes are unicellular and are divided into two groups; bacteria and archaea. The word prokaryote comes from the Greek πρό- (pro-) "before" + καρυόν (karyon) " or nutkernel." The defining characteristic is the absence of a nucleus. The genomes of prokaryotes are held within an irregular DNA/protein complex in the cytosol called the nucleoid, which lacks a nuclear envelope. Prokaryotes generally lack membrane-bound cell compartments: such as mitochondria and chloroplasts. Instead processes such as oxidative phosphorylation and photosynthesis take place across the prokaryotic plasma membrane. However, prokaryotes do possess some internal structures, such as cytoskeletons, and the bacterial order Planctomycetes have a membrane around their nucleoid and contain other membrane-bound cellular structures. Both eukaryotes and prokaryotes contain large RNA/protein structures called ribosomes, which produce protein. Prokaryotes are usually much smaller than eukaryotic cells. Prokaryotes also differ from eukaryotes in that they contain only a single loop of stable chromosomal DNA stored in an area named the nucleoid, while eukaryote DNA is found on tightly bound and organized chromosomes. Although some eukaryotes have satellite DNA structures called plasmids, these are generally regarded as a prokaryote feature, and many important genes in prokaryotes are stored on plasmids. Prokaryotes have a larger surface area to volume ratio giving them a higher metabolic rate, a higher growth rate and consequently a shorter generation time compared to Eukaryotes.
eukaryotic animal plant and prokaryotic..... at least i think that's how u spell it.
human bones are eukaryotic cells as they contain well developed nucles.
a prokaryotic cell
The kingdom with the least amount of species is the kingdom Monera, which consists of unicellular prokaryotic organisms such as bacteria and archaea.
to calculate the least count of travelling microscope first see the no. of division on the main scale say between 12 and 13 there are 20 divisions and the no.of division on vernier scale is 50 then 1 msd = 20 division 1 division = 1/20 msd=0.05 1vsd = 50 division least count = msd/vsd =0.05/50=0.001 so least count is 0.001 cm
multiplication/division: least number of significant figures addition/subtraction: least number of numbers to the right of decimal point
The least common factor is always 1.
The oldest life fossils are very simple - prokaryotic no doubt and not that different from many of today's prokaryotic cell structure. Evolution in general seems to be an increase in complexity. Thus the first cells would logically be prokaryotic, or at least noneukaryotic. This is because prokaryotic cells are much simpler than prokaryotic cells which contain multiple membranous organelles to complicate their structure. Note that just because the oldest life fossils are prokaryotic does not prove that they preceeded the eukaryotes or that they were the VERY FIRST life on earth. Can there be simpler life than prokaryotes one wonders? However, no fossils have been found that are older than those 'first' prokaryotes, and as I have said it would be illogical for more complex eukaryotes to precede the simpler prokaryotes. The oldest fossils therefore (between 3.5 and 3.8 billion years old) are thus accepted as both the first life and prokaryotic.
least count of a micrometer= pitch/no of division on the circular scale
Yes, they are because they have at least one nucleus
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Eukaryotic. Plantae is a kingdom under the domain Eukarya.