1. What are Nuc, Flag, ER, Mito, Chlora, Golgi, Ves and Lys short for? What does each of these
organelles do in a cell?
Answer: Nuc is short for nucleus; the functions for a nucleus is information storage, transmission, ribosome subunit assembly, and structural support. Flag stands for flagella; the flagella is a tail-like piece of the cell that allows it to swim through liquid. ER stands for endoplasmic reticulum; the endoplasmic reticulum is used for protein synthesis and processing. Mito is short for mitochondrion; the mitochondrion is in charge of making energy (ATP production). Golgi is short for golgi apparatus; golgi does the protein, lipid, and carbohydrate processing.
Ves is short for vesicle; the vesicle’s function is to store things. Finally, Lys is short for lysosomes; a lysosome is used to break up food in the cell.
2. What is the autogenic hypothesis of the origin of the eukaryotic cell?
Answer: The autogenic hypothesis is that a prokaryotic cell slowly but surely evolved on it’s own to the eukaryotic cell.
3. What is the evidence that supports the autogenic hypothesis?
Answer: The evidence that supports the autogenic hypothesis is that transfer of DNA occurs between bacteria species.
4. What is the endosymbiotic hypothesis?
Answer: The endosymbiotic hypothesis is that a prokaryotic cell “ate” smaller organelles which evolved into what they are today.
5. What is the evidence for the endosymbiotic hypothesis?
Answer: The evidence that supports this is because mitochondrion and chloroplast both have a “brother” cell; the cells are extremely alike. The “brother” cell is a prokaryotic cell.
6. What are the comparative strengths and weaknesses of the two hypotheses?
Answer: The comparative strengths and weaknesses of the two hypotheses are that there are ways that we could reenact the cell eating the other little prokaryotic.
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