How it Works
Try Naxlex NCLEX-RN (Free-Trial)

Match these terms

A.

Mitochondria

B.

Nucleus

C.

Smooth ER

D.

Rought ER

E.

Lysosomes

F.

Cytoplasm

Answer and Explanation

The Correct Answer is {"A":{"answers":"B"},"B":{"answers":"A"},"C":{"answers":"C"},"D":{"answers":"E"},"E":{"answers":"D"},"F":{"answers":"F"}}

  • Mitochondria: Fuels the cell with ATP
  • Nucleus: Contains DNA
  • Smooth ER: Lipid synthesis, calcium storage, and detoxification
  • Rough ER: Covered with ribosomes, giving it a rough appearance
  • Lysosomes: Containing degradative enzymes enclosed in a membrane
  • Cytoplasm: The thick, jelly-like substance filling the interior of prokaryotic and eukaryotic cells

 

 

• Mitochondria: Mitochondria are double-membrane organelles responsible for producing adenosine triphosphate (ATP) via oxidative phosphorylation. They convert nutrients into usable energy, fueling cellular processes. Their unique DNA allows them to produce some of their own proteins.

• Nucleus: The nucleus houses the cell’s genetic material (DNA) and coordinates activities like growth, metabolism, and protein synthesis. It is surrounded by a nuclear envelope with pores to allow selective transport of RNA and proteins.

• Smooth ER: The smooth endoplasmic reticulum lacks ribosomes and is involved in lipid synthesis, detoxification of chemicals, and calcium ion storage. It is essential for metabolic regulation and maintaining cellular homeostasis.

• Rough ER: The rough ER is studded with ribosomes on its cytoplasmic surface, facilitating protein synthesis. Proteins produced here are destined for secretion, incorporation into membranes, or lysosomes.

• Lysosomes: Lysosomes contain hydrolytic enzymes enclosed in a membrane that digest macromolecules, cellular debris, and pathogens. They are critical for intracellular digestion and recycling of cellular components.

• Cytoplasm: Cytoplasm is the viscous, gel-like substance that fills the interior of cells, providing a medium for organelle suspension, biochemical reactions, and transport of molecules within the cell.


Get 100+ Naxlex Exit Exams for $79 Try Naxlex NCLEX-RN (14 Day Free-Trial)

Naxlex Comprehensive Predictor Exams

Free Nursing Study Resources

Related Questions

Correct Answer is A

Explanation

A. Fermentation: Fermentation is a metabolic process in which microorganisms, such as yeast and some bacteria, convert sugars (e.g., glucose) into alcohol (ethanol) and carbon dioxide under anaerobic conditions. This process is utilized in the production of alcoholic beverages, bread, and certain biofuels, and it also allows microorganisms to generate energy when oxygen is limited.

B. Pasteurization: Pasteurization is a heat-treatment process designed to reduce microbial load in food and beverages, such as milk and juice, to prevent spoilage and pathogen transmission. It does not involve the conversion of sugars to alcohol and is not a microbial metabolic process.

C. Tyndallization: Tyndallization is a method of sterilization using intermittent boiling to destroy heat-resistant bacterial spores over multiple cycles. It is a physical control technique and does not involve sugar metabolism or alcohol production.

D. Lyophilization: Lyophilization, or freeze-drying, is a preservation method that removes water from a substance by sublimation under vacuum. It is used for long-term storage of biological materials and does not include the microbial conversion of sugars to ethanol.

E. Alcoholism: Alcoholism is a medical condition characterized by chronic, compulsive consumption of alcoholic beverages. It is a behavioral and physiological disorder, not a microbial metabolic process.

Correct Answer is A

Explanation

Gram-negative bacteria have a distinctive cell envelope composed of three key layers. The innermost layer is the cytoplasmic (inner) membrane, which regulates transport and maintains cellular integrity. Outside this is the periplasmic space, a gel-like area containing enzymes and proteins involved in nutrient processing and defense. The outermost layer is the outer membrane, which contains lipopolysaccharides (LPS) that contribute to the structural barrier, immune evasion, and pathogenicity. This multilayered structure differentiates gram-negative bacteria from gram-positive bacteria, which lack an outer membrane and have a much thicker peptidoglycan layer.

Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.

Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today

Register