5. Cell Components

Introduction to Eukaryotic Organelles

Eukaryotic Cell Structure & Organelles - A-level Biology [❗VIDEO UPDATED - LINK IN DESCRIPTION👇]

Membrane-Bound Organelles in Eukaryotic Cells with Konstantin Lakic

BioFlix:Tour of an Animal Cell

 No. Lysosomes contain digestive enzymes, and vacuoles function primarily in storage. 

 Vacuole, rough endoplasmic reticulum, smooth endoplasmic reticulum 

 No. Vacuoles function primarily in storage. 

 Smooth endoplasmic reticulum, ribosome, vacuole 

 Rough endoplasmic reticulum, lysosome, vacuole 

 Ribosome, rough endoplasmic reticulum, smooth endoplasmic reticulum 

Consider the function of organelles in the endomembrane system.

Which of the following groups is primarily involved in synthesizing molecules needed by the cell?

Introduction to Cells: The Grand Cell Tour

Parts of the Eukaryotic Cell

Using the map above, which of the following is NOT a component of the cytoskeleton in eukaryotic cells?

Short Video: Turgid Elodea

 The nuclear pores are connections between the nuclear membrane and the endoplasmic reticulum that permit ribosomes to assemble on the surface of the ER. 

 No. Nuclear pores are connections between the interior of the nucleus and the cytoplasm. 

 The nucleolus contains messenger RNA (mRNA), which crosses the nuclear envelope through the nuclear pores. 

 No. The nucleolus does not contain mRNA, but mRNA does leave the nucleus through the nuclear pores. 

 Membrane of the endoplasmic reticulum is produced in the nucleolus and leaves the nucleus through the nuclear pores. 

 No. The nucleolus is not a site of membrane synthesis for the ER. 

 None of the listed responses is correct. 

 No. There is a correct answer among the choices. 

 Subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores. 

Consider what is synthesized in the nucleolus and how these products exit the nucleus.

What is the functional connection between the nucleolus, nuclear pores, and the nuclear membrane?

The Cell's Organelles SONG | Memorize the Parts of the Cell!

BioFlix: Animal Cell Nucleus and Ribosomes

 No. The mitochondria and chloroplasts are the primary sites of ATP production. 

 No. It is the cytoskeleton that is primarily involved in cell motility. 

 No. The Golgi has nothing to do with nutrient uptake. 

 No. Vacuoles are the organelles that are primarily involved with ion storage. 

Consider the role of the Golgi apparatus in the endomembrane system.

You would expect a cell with an extensive Golgi apparatus to __________.

Ribosomes

Map of the Lesson on Eukaryotic Organelles

Cell Biology: Cell Organelles explained in 5 minutes!!

Which structure is common to plant and animal cells?
a. chloroplast
b. central vacuole
c. mitochondrion
d. centriole

 No. The rough endoplasmic reticulum generally does not need a large number of nucleotides for its function. 

 No. The Golgi apparatus does not generally need a large number of nucleotides for its function. 

 Rough endoplasmic reticulum and Golgi apparatus 

 No. Neither the rough endoplasmic reticulum nor the Golgi apparatus needs large numbers of nucleotides to perform its functions. 

 No. Although one of these responses is correct, one is erroneous. 

Consider where most of a eukaryotic cell's DNA is found.

A dish of animal cells was grown in the presence of radioactive phosphorous. The phosphorous largely ended up in nucleotides inside the actively growing animal cells. In which cellular structure or structures would you predict the majority of the radioactive phosphorous to accumulate?

 No. Although the cell could be a cell from a pine tree, there is a better answer. 

 a cell from the intestinal lining of a cow 

 No. The above description is that of a cell that undergoes photosynthesis. 

 No. Although some bacteria can photosynthesize, all bacteria lack organelles, and the chloroplast and nucleus are examples of organelles. 

 a photosynthetic protist cell or a plant cell 

Consider how prokaryotic, plant, and animal cells differ.

A particular cell has a nucleus and chloroplasts in addition to the fundamental structures required by all cells. Based on this information, this cell could be __________.

What biomolecule does a ribosome synthesize in all types of cells?

 No. Organelles such as lysosomes fit in this category. 

 No. Mitochondria and chloroplasts are energy-processing organelles. 

 No. This category involves organelles such as those found in the cytoskeleton and cell walls. 

 No. This is a primary function of the nucleus. 

Consider what makes rough endoplasmic reticulum rough.

Which of the following categories best describes the function of the rough endoplasmic reticulum?

Animation: Review of Animal Cell Structure and Function

A Level Biology Revision "The Structure of Eukaryotic Cells".

BioFlix:Tour of an Plant Cell

1.2 Eukaryotic cells have a compartmentalized structure

DRAW IT From memory, draw two eukaryotic cells. Label the structures listed here and show any physical connections between the internal structures of each cell: nucleus, rough ER, smooth ER, mitochondrion, centrosome, chloroplast, vacuole, lysosome, microtubule, cell wall, ECM, microfilament, Golgi apparatus, intermediate filament, plasma membrane, peroxisome, ribosome, nucleolus, nuclear pore, vesicle, flagellum, microvilli, plasmodesma.

Using the map above, what two organelles produce cellular energy in eukaryotic cells?

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