Endoplasmic Reticulum (ER) Functions Quiz

What is the function of Rough Endoplasmic Reticulum (RER)?

Which organelle is involved in synthesizing fatty acids and hormones?

What is the main function of Golgi Complex in the cell?

What is the role of lysosomes in a cell?

Which organelle is continuous with the nuclear membrane and lined with ribosomes?

What happens to secretory vesicles produced by Golgi Complex?

Which process involves the fusion of secretory vesicles with the plasma membrane to release contents out of the cell?

In which type of endocytosis do ligands bind to specific receptors on the cell membrane?

What is the cellular function of pinocytosis?

Which organelle is involved in breaking down proteins in the cell?

What is the percentage of water in cytosol, the fluid portion of cytoplasm?

Which process involves vesicles transporting substances from the extracellular fluid into the cell, moving across the cell, and exiting on the other side?

Which type of membrane protein spans the entire lipid bilayer extending from the cytosol to the extracellular fluid?

What is the main function of ion channels (pores) in the cell membrane?

What do glycocalyx molecules mainly contribute to in terms of cell function?

Which type of substances can pass more readily through a selectively permeable membrane?

What is the primary function of carriers/transporters in the cell membrane?

Which proteins are involved in anchoring cells to other cell membranes or protein filaments?

What is the main function of nucleoli within the nucleus?

Which organelle is exclusively passed down from the mother through the oocyte?

What is the primary role of histones in the nucleus?

How many chromosomes are typically found in a human somatic cell?

Which type of cell division involves reducing the number of chromosomes by half?

What is the function of nuclear pores in the nucleus?

What is the function of peroxisomes in the cell?

Which organelle is known as the powerhouse of the cell?

What enzyme in peroxisomes degrades H2O2 and other enzymes to detoxify products of metabolism?

Which condition is caused by the lack of lysosomal enzyme Hex A in nerve cells?

What is the main function of proteasomes in a cell?

During apoptosis, what do mitochondria release when there is an increase in free radicals and DNA damage?

Which type of transport moves substances from an area of high concentration to an area of low concentration using the substance's own kinetic energy?

What is the function of aquaporins in cellular transport?

During which process do cells engulf large solid particles like worn-out cells, bacteria, and viruses by extending pseudopods?

What is the main energy source required for active transport to move substances against their concentration gradient?

Which fluid type is specifically found outside of the cell, such as in blood vessels?

Which process involves vesicles transporting substances out of a cell by fusing with the plasma membrane?

What is the net movement of water from an area of high water concentration to an area of low water concentration called?

Which type of cells have a few nucleus despite most cells having only one?

What is the primary function of nucleoli within the nucleus?

In a human somatic cell, how many chromosomes are typically present?

What occurs during meiosis, the two-step cell division process?

Which organelle is responsible for producing energy in the form of ATP for the cell?

What is the function of histones in the nucleus?

Which type of cell division replaces dead or injured cells and adds new cells?

What is the primary function of histology?

What is the role of chromatin in the nucleus?

Which cell organelle houses most of the DNA in a cell?

What is the main function of the cytoplasm in a cell?

In the Fluid Mosaic Model, what does the 'mosaic' part represent?

What is the main role of cholesterol in the plasma membrane?

What is the main function of proteasomes in a cell?

How does the structure of a cell relate to its function?

Where does pinocytosis primarily occur in the human body?

Which organelle is responsible for oxidizing and breaking down chemicals like alcohol in the liver?

Which organelle plays a key role in communication between a cell and its environment?

What is the consequence of failed proteasomes in a cell according to the text?

What is the main function of receptor-mediated endocytosis?

What determines whether a protein is free-floating or anchored in the plasma membrane?

Which type of cells typically produce enzymes, hormones, mucus, and other secretions for exocytosis?

Which organelle is known as the powerhouse of the cell?

What is the function of catalase found in peroxisomes?

What is the primary function of transcytosis in cellular physiology?

Which organelle releases cytochrome c during apoptosis?

What is the primary composition of cytosol in terms of water content?

How do peroxisomes detoxify products of metabolism?

Which cellular components contribute to the structure of both the cell and organelles?

What is the main consequence of lacking lysosomal enzyme Hex A in nerve cells according to the text?

What is the main purpose of inclusions such as lipid droplets (triglycerides) in the cytoplasm?

What happens during exocytosis in a cell?