To examine cells and learn more about their structure, we need to be able to see them in very fine detail.
Why are chemical stains used?
To hide cell parts.
To increase the size of some cell parts.
To make some cell parts more obvious.
Why should a low power objective lens be used first when viewing cells?
It has a wider field of view.
It has a narrower field of view.
There is less chance of breaking the slide.
How is total magnification calculated?
Eyepiece lens magnification multiplied by ten.
Eyepiece lens magnification multiplied by objective lens magnification.
Eyepiece lens magnification divided by objective lens magnification.
Which of the following is found in plant cells but not in animal cells?
What is a plasmid?
A circle of DNA found in bacterial cells
A type of bacterial cell
A type of cytoplasm
Which is the correct order of levels of organization in organisms, from least
complex to most complex?
Cells -> tissues -> organelles
Cells -> tissues -> organs
Organ systems -> organs ->tissues
What is a tissue?
A system made from similar organs
A group of cells with similar structures working together
A group of organelles with similar structures working together
Which part of a cell contains the genetic material?
Which part of a cell controls the movement of substances in and out?
What is the function of the vacuole in a plant cell?
To store chlorophyll
It is where most chemical reactions in the cell happen
To keep the cell turgid
Which part of a cell absorbs light energy for photosynthesis?