PAX SCIENCE FINAL EXAM QUESTIONS
& ANSWERS 2024/2025
The smallest living and basic unit of function and structure for all living things? - ANSWERSCell
What contains general information and is the powerhouse of the cell? - ANSWERSNucleus
What controls the activities of the cell? - ANSWERSDNA
What separates the contents of the cell from the surrounding fluid? - ANSWERSPlasma or cell membrane
What contains substances such as amino acids, sugars, fatty acids, hormones, neurotransmitters, and
salts? - ANSWERSInterstitial fluid
What is the selective nature of the plasma membrane? - ANSWERSSemipermeable
What fluid matrix found between the plasma membrane and the nucleus that acts as scaffolding for the
organelles? - ANSWERSCytoplasm
What are specialized units in the cell that perform certain functions called? - ANSWERSOrganelles
The location for cellular respiration and conversion of food to energy at the cellular level is called? -
ANSWERSMitochondria
What is a chemical that the cell uses to store and transfer energy within itself called? - ANSWERSATP
The site of protein synthesis is called? - ANSWERSRibosomes
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