Cells Flashcards
(49 cards)
What do we call the basic building block of all living life
Cells
What is an organelle
A small part of the cell
What is the organelle that holds DNA and controls the cells activities called
Nucleus
What is the layer around the cell which controls substances moving in or out the cell called
Cell membrane
What is the gel like substance where chemical reactions happen called?
Cytoplasm
What is the small organelle, which is the sight of respiration ( energy release) called 🤔
Mitochondria
What is a small organelle that makes proteins called
Ribosome
What is the rigid layer that strengthens the cell and supports its shape called
Cell wall
What is a small organelle that performs photosynthesis called
Chloroplast
What is the process where the plant uses light from the Sun to increase the energy in the plants chemical store called
Photosynthesis
What is the organo that is filled with sap to keep the cells turgid ( firm ) called
Vacuole
What are the key structural differences between animal cells and plant cells
Plant has so cell wall, chloroplast and vacuol, which the animal cell does not
What does magnification mean?
Making an image large enough to see
Name part of da microscope
Eye piece, objective lens, stage, lamp, focusing knob
What is making an image sharp enough to be viewed called
Focusing
How do you focus an image using microscope
By turning the focus knob
How do you record an image from a microscope
Draw what can be seen through the eyepiece
What is the number of services that are exposed to the surroundings called?
Surface area
In a cell what are th effects of large surface area
Substances can enter and leave the cell more quickly
What is the movement of substances from an area of high concentration to an area of low concentration called?
Diffusion
Name 2 substances that move into a body cell by diffusion
Water and glucose
Name 1 substance that moves out a body cell
Carbon dioxide
What is diffusion of water known as
It is known as Osmosis
Give 3 examples of specialised cells on animals
Red blood cell, Nerve cell, muscle cell