Podcast
Questions and Answers
Which structure is primarily responsible for housing the genetic material in eukaryotic cells?
Which structure is primarily responsible for housing the genetic material in eukaryotic cells?
- Cytoplasm
- Cell membrane
- Nucleus (correct)
- Ribosomes
What is the main difference between the cytoplasm of prokaryotic and eukaryotic cells?
What is the main difference between the cytoplasm of prokaryotic and eukaryotic cells?
- Prokaryotic cytoplasm is less complex than eukaryotic cytoplasm. (correct)
- Eukaryotic cytoplasm contains ribosomes, while prokaryotic does not.
- Prokaryotic cells have a nucleus within their cytoplasm.
- Eukaryotic cells do not have cytoplasm.
During which process is genetic material replicated in eukaryotic cells?
During which process is genetic material replicated in eukaryotic cells?
- Protein synthesis
- Photosynthesis
- Cell growth
- Cell division (correct)
What role does the nucleus play in the growth of eukaryotic cells?
What role does the nucleus play in the growth of eukaryotic cells?
Which statement about prokaryotic cells is incorrect?
Which statement about prokaryotic cells is incorrect?
What does DNA contain?
What does DNA contain?
Where is DNA found in a eukaryotic cell?
Where is DNA found in a eukaryotic cell?
What pairs with Adenine in DNA?
What pairs with Adenine in DNA?
What is the sugar backbone in DNA?
What is the sugar backbone in DNA?
In RNA, Adenine pairs with Thymine.
In RNA, Adenine pairs with Thymine.
What is the primary role of DNA replication?
What is the primary role of DNA replication?
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Study Notes
Eukaryotic Cell Structure
- Nucleus: The nucleus is the primary structure responsible for housing the cell's genetic material, which is organized into chromosomes.
Comparing Cytoplasm
- Eukaryotes: Eukaryotic cells contain a complex network of internal membranes, including the endoplasmic reticulum and Golgi apparatus, which are absent in prokaryotes.
Genetic Replication
- DNA Replication: The process of DNA replication occurs during the S phase of the cell cycle, ensuring that each daughter cell receives a complete copy of the genetic material.
Nuclear Role in Growth
- Nucleus and Growth: The nucleus plays a crucial role in cell growth by controlling the synthesis of proteins and other essential molecules.
Prokaryotic Cell Characteristics
- Prokaryotes lack a nucleus: While prokaryotic cells contain DNA, it is not enclosed within a membrane-bound nucleus. It is located in a region called the nucleoid.
DNA Replication
- DNA is the genetic code
- DNA is found in the nucleus of eukaryotic cells
- DNA is found in the cytoplasm of prokaryotic cells
- DNA is replicated for cell division and growth
DNA Structure
- DNA has a sugar (ribose) backbone
- DNA has a phosphate group
- DNA has a nitrogenous base
Base Pairing
- Adenine pairs with Thymine in DNA
- Guanine pairs with Cytosine in DNA
- Adenine pairs with Uracil in RNA
- Guanine pairs with Cytosine in RNA
- The DNA strands are antiparallel
- Nucleotides are the building blocks of DNA
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