Trivia Questions Quiz On Cell! Exam

An isotonic solution refers to a solution that has the same concentration of dissolved solutes as the cell. In this case, both the cell and the solution have a concentration of 5% dissolved solutes. Therefore, the solution can be classified as isotonic.

The letter G in the image is depicting the Vacuole.

Ribosomes are responsible for protein synthesis in the cell. They are the cellular structures where proteins are assembled based on the instructions provided by the genetic material. Ribosomes play a crucial role in translating the genetic code into functional proteins, which are essential for various cellular processes. They bind to messenger RNA (mRNA) and facilitate the assembly of amino acids into a polypeptide chain, ultimately resulting in the formation of proteins. Therefore, the function of ribosomes in the cell is to make proteins.

The mitochondria is an organelle found in most eukaryotic cells. It is responsible for producing energy in the form of ATP through cellular respiration. Option 9 is the correct answer because it indicates the location of the mitochondria.

The term 'hydrophobic' refers to the characteristic of repelling or not mixing with water. It is derived from the Greek words "hydro" meaning water and "phobos" meaning fear. Therefore, the correct answer is "water-fearing" as it accurately describes the meaning of hydrophobic.

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Option 5 is the correct answer because it represents the rough endoplasmic reticulum (ER). The rough ER is involved in protein synthesis as it contains ribosomes that are responsible for translating mRNA into proteins. These ribosomes are attached to the surface of the rough ER, giving it a "rough" appearance. Therefore, option 5 accurately represents the part of the ER that contains ribosomes and makes proteins.

The image provided shows a cell that exhibits characteristics commonly found in bacteria. Bacteria are single-celled microorganisms that lack a nucleus and membrane-bound organelles. The image likely shows a prokaryotic cell with a simple structure, which is a characteristic feature of bacteria.

The orange item in the picture surrounding the cell labeled 'J' is responsible for protecting the cell. It acts as a barrier, shielding the cell from potential damage or external threats. This protection is crucial for the cell's survival and proper functioning.

The item labeled '2' is responsible for protecting and holding the DNA. This suggests that it plays a role in safeguarding the genetic material within the cell. It is likely that this item is referring to the nuclear membrane or the nuclear envelope, which surrounds the nucleus and acts as a barrier between the DNA and the rest of the cell. The nuclear membrane helps to maintain the integrity of the DNA by preventing it from being damaged or disturbed by other cellular components. Additionally, it provides structural support to the nucleus and helps to organize the genetic material within the cell.

The letter 'D' is pointing to the Nuclear Membrane in the given cell. The Nuclear Membrane is a double-layered membrane that surrounds the nucleus of a cell and separates it from the cytoplasm. It controls the movement of materials in and out of the nucleus, thereby playing a crucial role in maintaining the integrity and function of the cell's genetic material.

lysosomes use their digestive enzymes to break things down

The letter "i" labels the part of the phospholipid bilayer that is the transport protein.

The smooth endoplasmic reticulum is responsible for the synthesis of lipids. It does not play a role in protecting the cell or making proteins. The smooth endoplasmic reticulum is involved in various cellular functions, including the production of lipids such as phospholipids and steroids. These lipids are essential components of cell membranes and are involved in various biological processes such as hormone production and detoxification. Therefore, the correct answer is "To make lipids."

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Prokaryotic cells do not have a nucleus. Unlike eukaryotic cells, which have a defined nucleus that houses the genetic material, prokaryotic cells have their DNA floating freely in the cytoplasm. Instead of a nucleus, prokaryotic cells have a nucleoid region where the DNA is concentrated. Therefore, the absence of a nucleus is a characteristic feature of prokaryotic cells.

Hypotonic means that the cell will gain water as the water tries to equalize.

The hydrophobic tail of a phospholipid bilayer is the nonpolar, water-repellent region of the phospholipid molecule. This region is composed of fatty acid chains, which do not interact well with water molecules. Among the given options, the letter "d" is the correct answer as it represents the hydrophobic tail of the phospholipid bilayer.

The proteins are not being made, the ribosome makes the protein, therefore the chemical inhibits the ribosome from working correctly.

The golgi's job is to ship those proteins where they need to go, so the chemical is acting on the golgi.

The phospholipid bilayer acts as a selectively permeable barrier in the cell membrane, controlling the movement of substances into and out of the cell. It is made up of phospholipids, which have hydrophilic heads and hydrophobic tails, arranging themselves in a double layer. This structure allows the phospholipid bilayer to regulate the passage of molecules, ions, and nutrients, ensuring that only specific substances can enter or exit the cell. This function is crucial for maintaining homeostasis and enabling cells to function properly.

The cell is forming a membrane around the object and making it 'exit' the cell.

The statement "They both always contain a cell wall" is false because not all prokaryotic and eukaryotic cells have a cell wall. While some prokaryotic cells, such as bacteria, have a cell wall, many eukaryotic cells, including animal cells, do not have a cell wall. Instead, they have a cell membrane that provides structure and protection. Therefore, the presence of a cell wall is not a universal characteristic of both prokaryotic and eukaryotic cells.

The major difference between plant cells and animal cells is the presence of chloroplasts and cell walls in plant cells, which are not found in animal cells. Additionally, plant cells have a large, central vacuole, while animal cells have smaller vacuoles or none at all. However, both plant and animal cells have mitochondria, which are responsible for energy production. Therefore, the correct answer is mitochondria.

more salts in the solution means that the cell is in a hypertonic solution

the phospholipid is the phosphate head and the lipid tail

The cell is in a hypertonic solution because the concentration of solutes outside the cell (15%) is higher than the concentration of solutes inside the cell (10%). In a hypertonic solution, water tends to move out of the cell, causing it to shrink or shrivel.

The nucleolus is responsible for producing and assembling ribosomes in the cell. It contains the necessary components and machinery to synthesize ribosomal RNA (rRNA) and combine it with proteins to form ribosomes. These ribosomes are then transported to the cytoplasm, where they play a crucial role in protein synthesis. This makes the nucleolus the correct answer for the organelle that makes ribosomes.

The cell is in a hypotonic solution because the concentration of solutes inside the cell is higher (5%) compared to the concentration of solutes in the external solution (3%). In a hypotonic solution, water will move into the cell through osmosis, causing the cell to swell or potentially burst.

Active transport is the movement of materials from an area of low concentration to an area of high concentration. This process requires the use of energy, usually in the form of ATP, to move molecules against their concentration gradient. By actively pumping molecules or ions into a region of higher concentration, cells are able to maintain or create concentration gradients necessary for various physiological processes.

This is facilitated diffusion because the glucose is going from an area of high concentration to low concentration and is moving through a transport protein. This is not a protein pump because it is moving from high to low and it is not using energy.

cholesterol is the steroid that stabilizes the membrane

The cell is in a hypotonic solution, therefore the cell will swell with water as water tries to equalize. This process is known as osmosis

Endocytosis is a form of active transport where cells engulf substances by forming a vesicle around them and bringing them into the cell. This process requires energy as the cell actively uses ATP to transport the substances against the concentration gradient. Unlike diffusion and osmosis, which are passive processes that do not require energy, endocytosis involves the active participation of the cell in transporting materials into the cell. Facilitated diffusion, on the other hand, is a passive process where molecules are transported across the cell membrane with the help of transport proteins.

Prokaryotes do not have any organelles