All living organisms are made of cells. Some contain only one cell. Others are multicellular and contain many cells.
Which of the following are all prokaryotes?
Plants and animals
Fungi and bacteria
Which structures are needed for a cell to make proteins?
Nucleus and ribosomes
Cytoplasm and nucleus
Which parts of a plant cell help support the plant?
Cell membrane and cell wall
Cell wall and vacuole
Cell membrane and vacuole
Which cell structures are found in the cells of eukaryotes but not in prokaryotes?
Nucleus and mitochondria
Chloroplast and vacuole
A cheek cell was found to be 100 times larger than a Salmonella bacterium. How many orders of magnitude is this?
How is a ciliated cell specialised?
It has a long thin extension which increases the root’s surface area for absorption
Its surface is covered with tiny hairs which can move mucus and trapped dust
It is covered with tiny hairs to keep the cell warm
Where does respiration take place in a cell?
Only in the mitochondria
Cytoplasm and mitochondria
Only in the cytoplasm
If a student is looking at a cell through a microscope with an eyepiece that has a x4 magnification and an objective lens with a x40 magnification, what is the total magnification?
Which part of a plant cell controls which substances are allowed to enter the cell?
What are the roles of xylem and phloem?
Xylem transports water and minerals up the plant. Phloem transports sugars, amino acids, and other substances up and down the stem.
Phloem transports water and minerals up the plant. Xylem transports sugars, amino acids, and other substances up and down the stem.
Xylem transports sugars, amino acids, and other substances up the plant. Phloem transports water and minerals up and down the stem.