Advanced High School Biology

Advanced Biology

Curriculum-aligned, rigorous questions covering biochemistry, molecular genetics, cell signalling, and human physiology.

biology genetics biochemistry physiology

2 Questions Hard Ages 15+ Sep 22, 2026

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About this Study Set

This study set covers Advanced Biology through 2 practice questions. Curriculum-aligned, rigorous questions covering biochemistry, molecular genetics, cell signalling, and human physiology. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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1 Which structure triggers Rho-independent transcription termination in prokaryotes?

A A GC-rich hairpin loop followed by a poly-U tract in the mRNA
B A phosphorylation signal on the C-terminal domain of RNA polymerase II
C A polyadenylation signal sequence (AAUAAA) recognized by endonucleases
D A stem-loop structure bound by a single-stranded DNA binding protein

2 Which primary enzyme carries out initial carbon fixation in C4 photosynthesis?

A Ribulose-1,5-bisphosphate carboxylase-oxygenase (Rubisco)
B Phosphoenolpyruvate carboxylase (PEP carboxylase)
C Glyceraldehyde 3-phosphate dehydrogenase
D Pyruvate-phosphate dikinase

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