Please answer these ASSIGNMENT DUE TODAY!!

1. What is a prokaryotic cell?

2. What is a eukaryotic cell?

3. What are similarities between prokaryotic and eukaryotic cells?

4. What are the parts of prokaryotic cell?

5. Why are some examples of prokaryotic cells?

6. Why are examples of prokaryotic cells?

1 A prokaryote is a cellular organism that lacks an envelope-enclosed nucleus.

2 Eukaryotes are organisms whose cells have a nucleus enclosed within a nuclear envelope.

3 Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

4 The plasma membrane.

Cytoplasm.

Ribosomes.

Genetic material (DNA and RNA)

5 Prokaryotes

the "dirty dozen" chemicals banned in an international treaty are formally known as persistent organic pollutants, or pops. the united nations environment program provided this background on what they are and what they can do to humans and wildlife.

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genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).