EXAM 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◉ nuclear envelope. Answer: Double membrane perforated with pores
that control the flow of materials in and out of the nucleus. Allows
fluids, electrolytes, RNA, some proteins, and hormones to move through
the pores.
◉ mRNA. Answer: messenger RNA; type of RNA that carries
instructions from DNA in the nucleus to the ribosome
◉ RNA synthesis. Answer: Synthesis of proteins
◉ rRNA. Answer: type of RNA that combines with proteins to form
ribosomes
◉ tRNA. Answer: transfer RNA; type of RNA that carries amino acids
to the ribosome
◉ DNA contains what?. Answer: genes
, ◉ Functional components of the cell. Answer: nucleus, cytoplasm
(outside nucleus), cell membrane
◉ Protoplasm. Answer: - Intercellular fluid
- Composed of water, proteins, and electrolytes
- Regions: cytoplasm (outside) and nucleoplasm (inside)
◉ Cytoplasm. Answer: - Work space for cell
- Water, electrolytes, proteins, fats, glycogen
- pigments
◉ Organlles. Answer: - Ribosomes: sites for protein synthesis
- endoplasmic reticulum (rough and smooth): proteins produced
- golgi complex: prepare proteins and fats
- mitochondria: power house
- lysosomes: stomach of cell
- proteasomes: break down proteins
◉ Proteasomes. Answer: breakdown and recycling of damaged or
abnormal intracellular proteins