BIOLOGY B HBS FINAL REVIEW UPDATED ACTUAL EXAM PAPER 2026 COMPLETE QUESTIONS AND CORRECT ANSWERS GRADED A+

BIOLOGY B HBS FINAL REVIEW
UPDATED ACTUAL EXAM PAPER
2026 COMPLETE QUESTIONS AND
CORRECT ANSWERS GRADED A+
◉ DIFFERENTIAL REPRODUCTIVE SUCCESS.
Answer: WHEN SOME ORGANISMS PRODUCE MORE (OR LESS)
OFFSPRING THAN OTHERS.


◉ NATURAL SELECTION.
Answer: a key mechanism of evolution that was identified by
CHARLES DARWIN.


◉ CARBON.
Answer: A CHEMICALLY VERSATILE ATOM FOUND IN ALL
ORGANIC MOLECULES.


◉ NUCLEOTIDE.
Answer: SUGAR, PHOSPHATE, BASE


◉ FLUID MOSAIC MODEL.
Answer: DESCRIBES THE FLEXIBLE PHOSPHOLIPID BILAYER
FOUND IN MEMBRANES.


◉ ENDERGONIC.

, Answer: A REACTION THAT ABSORBS FREE ENERGY


◉ EXERGONIC.
Answer: A REACTION THAT RELEASES FREE ENERGY


◉ ANABOLIC REACTION.
Answer: A REACTION THAT BUILDS UP LARGER, MORE
COMPLEX MOLECULES


◉ CATABOLIC REACTION.
Answer: A REACTION THAT BREAKS DOWN LARGE
MOLECULES INTO SMALLER ONES.


◉ GLYCOLYSIS.
Answer: AN ANAEROBIC REACTION, WHERE GLUCOSE IS
BROKEN INTO 2 PYRUVATES & A NET GAIN OF 2 ATP'S ARE
PRODUCED.


◉ AEROBIC RESPIRATION.
Answer: GLYCOLYSIS, KREBS CYCLE & THE ELECTRON
TRANSPORT CHAIN. GLUCOSE IS BROKEN TO CREATE 30-32
ATP'S.


◉ STROMA.