Admin Table of Contents
- 1 How do you know if cells are eukaryotic?
- 2 Which cell or cells were most likely a eukaryote?
- 3 What makes eukaryotic cells more complex?
- 4 Which structures would not be evidence that the cell is eukaryotic?
- 5 What was likely the most important factor for the development of eukaryotic cells?
- 6 What evidence exists that eukaryotes and prokaryotes share a common ancestor?
How do you know if cells are eukaryotic?
Comparing prokaryotes and eukaryotes The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information.
Which cell or cells were most likely a eukaryote?
1. Plant and animal cells are eukaryotic, meaning that they have nuclei. Eukaryotic cells are found in plants, animals, fungi, and protists. They generally have a nucleus—an organelle surrounded by a membrane called the nuclear envelope—where DNA is stored.
What evidence is there that all eukaryotes are related?
The following characteristics must have been present in the last common ancestor (LCA) from which all eukaryotic life emerged: Cells with nuclei surrounded by a nuclear envelope with nuclear pores. This is the single characteristic that is both necessary and sufficient to define an organism as a eukaryote.
What makes eukaryotic cells more complex?
The ability to maintain different environments inside a single cell allows eukaryotic cells to carry out complex metabolic reactions that prokaryotes cannot. In fact, it’s a big part of the reason why eukaryotic cells can grow to be many times larger than prokaryotic ones.
Which structures would not be evidence that the cell is eukaryotic?
none
| Question | Answer |
|---|---|
| Four of the six kingdoms are comprised of organims that contain eukaryotic cells. Which of the following structures in a cell would NOT be evidence that the cell is eukaryotic? | Cell walls |
| which of the following structures do plant cells have that nimal cells do not? | chloroplasts an cell walls |
What 4 Things do both eukaryote and prokaryote cells contain?
Both prokaryotic and eukaryotic cells have structures in common. All cells have a plasma membrane, ribosomes, cytoplasm, and DNA. The plasma membrane, or cell membrane, is the phospholipid layer that surrounds the cell and protects it from the outside environment.
What was likely the most important factor for the development of eukaryotic cells?
Eukaryotic cells probably evolved through endosymbiosis, in which either the archaeal or bacterial cell was engulfed within the other. Mammals evolved a process of genetic imprinting and therefore some genes from the father’s genomes need to be expressed.
All eukaryotes and prokaryotes contain linear DNA All eukaryotes and prokaryotes contain ribosomes. All eukaryotes and prokaryotes use organic molecules as an energy source; All eukaryotes and prokaryotes are capable of mitosis. Matthew G.