BBK99E1 PRACTICAL SHEET PRACTICE
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ which stereo mixing technique is more "mono compatible" than the others?.
Answer: mid/side (sum+difference)
◍ Iodine (iodine-potassium iodide solution) detects polysaccharides like
starch..
Answer: which reagent detects the presence of polysaccharides
◍ prokaryotic cells are smaller.
Answer: how does the size of prokaryotic cells compare to the average size
of eukaryotic cells?
◍ Water leaves the cell in a hypertonic solution..
Answer: does water enter or leave the cell when its placed in a hypertonic
solution
◍ The brown paper (or brown bag) test detects lipids..
Answer: what method dectes the presence of lipids
◍ in mix mode on the API console, the monitor section is used for:.
Answer: nothing
◍ An example of a polysaccharide is starch. Other examples include cellulose
and glycogen..
Answer: what is an example of a polysaccharide
◍ Hypertonic solutions cause plant cells to plasmolyze..
Answer: what tonicity (hyper, hypo, iso) causes plants to plasmolyze
◍ smaller molecules (e.g., water, O₂, CO₂) cross membranes more easily;
larger molecules (e.g., proteins, starch) usually cannot without transport
, proteins..
Answer: can you predict the likelihood a molecule will cross a membrane
given its size
◍ Brown/yellow (no change): No starch.Blue-black: Starch present..
Answer: how can you interpret the results of an iodine test?
◍ bacteria cell.
Answer: what kind of cell is this
◍ how many tape tracks are accessible from the API's submasters?.
Answer: 24
◍ Lane: Vertical column where a single sample was loaded.Band: Horizontal
line within a lane representing a protein of a specific size..
Answer: what is the difference between a lane and a band when viewing a
photo of a gel?
◍ plant cells.
Answer: what kind of cells are these
◍ difference between compression and limiting is based on the _ setting. _:1
above is limiting..
Answer: ratio, 10
◍ Hypertonic: Solute concentration higher outside → water leaves cell → cell
shrinks.Hypotonic: Solute concentration lower outside → water enters cell
→ cell swells.Isotonic: Solute concentration equal → no net water
movement → cell stays the same..
Answer: what is the differene between a hypertonic, hypotonic, and isotonic
solution
◍ the numbers in SMPTE timecode: mean... 02:15:32:08.
Answer: hours, minutes, seconds, frames
◍ Bacteria: Very small, no nucleus or organelles.Protist: Single-celled
eukaryote, has nucleus + organelles, often motile.Plant cell: Has cell wall,
chloroplasts, large central vacuole.Animal cell: No cell wall/chloroplasts,
EXAMINATION 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ which stereo mixing technique is more "mono compatible" than the others?.
Answer: mid/side (sum+difference)
◍ Iodine (iodine-potassium iodide solution) detects polysaccharides like
starch..
Answer: which reagent detects the presence of polysaccharides
◍ prokaryotic cells are smaller.
Answer: how does the size of prokaryotic cells compare to the average size
of eukaryotic cells?
◍ Water leaves the cell in a hypertonic solution..
Answer: does water enter or leave the cell when its placed in a hypertonic
solution
◍ The brown paper (or brown bag) test detects lipids..
Answer: what method dectes the presence of lipids
◍ in mix mode on the API console, the monitor section is used for:.
Answer: nothing
◍ An example of a polysaccharide is starch. Other examples include cellulose
and glycogen..
Answer: what is an example of a polysaccharide
◍ Hypertonic solutions cause plant cells to plasmolyze..
Answer: what tonicity (hyper, hypo, iso) causes plants to plasmolyze
◍ smaller molecules (e.g., water, O₂, CO₂) cross membranes more easily;
larger molecules (e.g., proteins, starch) usually cannot without transport
, proteins..
Answer: can you predict the likelihood a molecule will cross a membrane
given its size
◍ Brown/yellow (no change): No starch.Blue-black: Starch present..
Answer: how can you interpret the results of an iodine test?
◍ bacteria cell.
Answer: what kind of cell is this
◍ how many tape tracks are accessible from the API's submasters?.
Answer: 24
◍ Lane: Vertical column where a single sample was loaded.Band: Horizontal
line within a lane representing a protein of a specific size..
Answer: what is the difference between a lane and a band when viewing a
photo of a gel?
◍ plant cells.
Answer: what kind of cells are these
◍ difference between compression and limiting is based on the _ setting. _:1
above is limiting..
Answer: ratio, 10
◍ Hypertonic: Solute concentration higher outside → water leaves cell → cell
shrinks.Hypotonic: Solute concentration lower outside → water enters cell
→ cell swells.Isotonic: Solute concentration equal → no net water
movement → cell stays the same..
Answer: what is the differene between a hypertonic, hypotonic, and isotonic
solution
◍ the numbers in SMPTE timecode: mean... 02:15:32:08.
Answer: hours, minutes, seconds, frames
◍ Bacteria: Very small, no nucleus or organelles.Protist: Single-celled
eukaryote, has nucleus + organelles, often motile.Plant cell: Has cell wall,
chloroplasts, large central vacuole.Animal cell: No cell wall/chloroplasts,
