Pax Science Exam Questions & Answers
2024/2025
What controls the activities of the cell? - ANSWERSDNA
What separates the contents of the cell from the surrounding fluid? - ANSWERSPlasma or cell membrane
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
The site of protein synthesis is called? - ANSWERSribosomes
A material that settles out of a reaction is termed a(n) - ANSWERSemulsion
How much current is drawn by a light bulb that has resistance of 100 R with a voltage of 110 V? (V=IR) -
ANSWERS1.1 amperes
The functional group present in all alcohols is the - ANSWERShydroxyl group
What is the pH of a solution whose H+ ion concentration is 1 x 10-2 mole per liter? - ANSWERS2
Which biochemical family do starch and glycogen belong in? - ANSWERScarbohydrates
Substance Y is soluble only in nonpolar solvents and does not conduct electricity, either in the solid or
liquid phases. Y is most probably: - ANSWERSnon polar substance
2024/2025
What controls the activities of the cell? - ANSWERSDNA
What separates the contents of the cell from the surrounding fluid? - ANSWERSPlasma or cell membrane
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
The site of protein synthesis is called? - ANSWERSribosomes
A material that settles out of a reaction is termed a(n) - ANSWERSemulsion
How much current is drawn by a light bulb that has resistance of 100 R with a voltage of 110 V? (V=IR) -
ANSWERS1.1 amperes
The functional group present in all alcohols is the - ANSWERShydroxyl group
What is the pH of a solution whose H+ ion concentration is 1 x 10-2 mole per liter? - ANSWERS2
Which biochemical family do starch and glycogen belong in? - ANSWERScarbohydrates
Substance Y is soluble only in nonpolar solvents and does not conduct electricity, either in the solid or
liquid phases. Y is most probably: - ANSWERSnon polar substance
