Cells Flashcards
What living organisms made of?
They are made of cells, they are the smallest unit found in an organism and bacteria can be formed from a cell.
What is meant by a scientific observation?
To see a small object using a microscope and looking carefully at a detail.
What is the part of the microscope you look through?
The eyepiece
All living organisms are made up of___-these are the ___ blocks of life. To ___ cells in detail you need to use a ___.
All living organisms are made up of cells- these are the building blocks of life. To see cells in detail you need to use a microscope.
What does a lense do?
A device made of shaped glass that focuses light rays from objects to form an image.
Name 4 components found in an animal cell
Nucleus, cell membrane, cytoplasm and mitochondria.
What is the function of a cell nucleus?
It controls the cell and contain genetic material.
What does the mitochondria do?
This is where respiration happens and it transfers energy for the organism.
Name the cell components that are only found in plant cells.
Cell wall, vacuole and chloroplasts.
What is found inside a vacuole?
a watery liquid called cell sap that keeps the cell firm.
What does specialised cell mean?
Specialised cells are the cell that have changes their shape and structure so that they are suited to carry out a particular job.
What is the function of the nerve cell?
They carry electrical impulses around your body.
What does the cells wall do?
It Strengthens the cell and provides support.
What do the chloroplasts do?
This is where photosynthesis happens and they trap energy transferred from the sun.
What is the component, normally found in animal cells, is missing a red blood cell?
Haemoglobin
What are 2 features that help the sperm cell do its job?
Head and long tail.
What are 2 special features that help the leaf cell to carry out photosynthesis?
Packed with chloroplasts and large surface area.
What does unicellular mean?
It is an organism that is made up of only one type of cells.
What is an Amoeba?
it is a unicellular organism that has no fixed shape and look like a blob of jelly.
Name 2 structures that are found in both an animal cell and an amoeba?
Nucleus and cell membrane.
