BIOLOGY SB1 EDEXCEL GCSE 2024-2025 Newest
Exam
Chloroplasts - Correct Answers-contains chlorophyll, which traps energy from the sun and
uses it for photosynthesis.
permanent vacuole - Correct Answers-stores cell sap and helps keep cell firm and rigid
scale bar - Correct Answers-used to estimate sizes
how is a sperm cell adapted to its function? - Correct Answers-acrosome, tail, large number
of mitochondria
SI units in order from smallest to largest - Correct Answers-picometres, nanometres,
micrometres, millimetres
Eukaryotic cells - Correct Answers-cells with a nucleus
cell membrane - Correct Answers-a thin, bag like structure that controls what enters and
leaves the cell and separates one cell from another
, Cytoplasm - Correct Answers-a jelly-like substance where most of the cells chemical
reactions occur
Mitochondria - Correct Answers-a jelly bean like structure where aerobic respiration
occurs
Nucleus - Correct Answers-controls the cells activities and contains chromosomes
field of view - Correct Answers-the circular area you see in a light microscope
Cell Wall - Correct Answers-made of cellulose, and supports and protects the cell
How do you work out magnification? - Correct Answers-multiply the magnifications of both
the lenses together
What does resolution mean? - Correct Answers-the smallest distance between 2 points that
still can be seen as 2 points
Light microscopes use... - Correct Answers-light and glass lenses to magnify an image
electron microscopes use... - Correct Answers-beams of electrons passing through a
specimen to build up an image
Exam
Chloroplasts - Correct Answers-contains chlorophyll, which traps energy from the sun and
uses it for photosynthesis.
permanent vacuole - Correct Answers-stores cell sap and helps keep cell firm and rigid
scale bar - Correct Answers-used to estimate sizes
how is a sperm cell adapted to its function? - Correct Answers-acrosome, tail, large number
of mitochondria
SI units in order from smallest to largest - Correct Answers-picometres, nanometres,
micrometres, millimetres
Eukaryotic cells - Correct Answers-cells with a nucleus
cell membrane - Correct Answers-a thin, bag like structure that controls what enters and
leaves the cell and separates one cell from another
, Cytoplasm - Correct Answers-a jelly-like substance where most of the cells chemical
reactions occur
Mitochondria - Correct Answers-a jelly bean like structure where aerobic respiration
occurs
Nucleus - Correct Answers-controls the cells activities and contains chromosomes
field of view - Correct Answers-the circular area you see in a light microscope
Cell Wall - Correct Answers-made of cellulose, and supports and protects the cell
How do you work out magnification? - Correct Answers-multiply the magnifications of both
the lenses together
What does resolution mean? - Correct Answers-the smallest distance between 2 points that
still can be seen as 2 points
Light microscopes use... - Correct Answers-light and glass lenses to magnify an image
electron microscopes use... - Correct Answers-beams of electrons passing through a
specimen to build up an image
