NLN-PAX Science testbank 2024 QUESTIONS AND ANSWERS 100% SOLVED

NLN-PAX Science testbank 2024 QUESTIONS AND ANSWERS 100% SOLVED Cell <<<<ans, que>>> the smallest living unit and the basic unit of function and structure for all living things. Nucleus <<<<ans, que>>> contains the genetic information, or DNA, and controls the activities of the cell. Plasma (cell) membrane <<<<ans, que>>> separates the contents of the cell from the surrounding fluid (interstitial fluid) Semipermeable membrane <<<<ans, que>>> refers to the selective nature of the plasma membrane. It contains pores and channels that allow only particles of the right size or the right chemical nature to pass through. Interstitial fluide <<<<ans, que>>> contains substances such as amino acids, sugars, fatty acids, hormones, neurotransmitters, and salts. Cytoplasm <<<<ans, que>>> is the fluid matrix found between the plasma membrane and the nucleus that acts as scaffolding for the organelles. Organelles <<<<ans, que>>> (little organs) are specialized units in the cell that per form certain functions. Mitochondria <<<<ans, que>>> are the locations for cellular respiration, that is, the conversion of food to energy at the cellular level. The site of energy production and of most of its ATP. ATP (adenosine triphosphate) <<<<ans, que>>> the chemical the cell uses to store and transfer energy within itself. Ribosomes <<<<ans, que>>> are the sites of protein synthesis in the cell