What do most cells have (plant, algal and animal)?
Respuesta
A nucleus
Cytoplasm
A cell membrane
A cell wall
A permanent vacuole
Mitochondria
Ribosomes
Chloroplasts
Flagella
Pregunta 2
Pregunta
What features do ONLY plant and algal cells have?
Respuesta
A cell wall
Chloroplasts
A permanent vacuole
Cytoplasm
Mitochondria
Ribosomes
A cell membrane
A nucleus
Flagella
Pregunta 3
Pregunta
What controls the cells activities?
Respuesta
The nucleus
The cell membrane
The mitochondria
The ribosomes
Pregunta 4
Pregunta
The cytoplasm is where many chemical reactions take place.
Respuesta
True
False
Pregunta 5
Pregunta
What controls the movement of materials in and out of the cell?
Respuesta
The nucleus
The cell membrane
The mitochondria
The flagella
Pregunta 6
Pregunta
What function do the mitochondria serve?
Respuesta
They respire and release energy
They move the cell
Protein synthesis occurs here
Pregunta 7
Pregunta
What happens in the ribosomes?
Respuesta
Protein synthesis occurs here
They respire and release energy
They control the cells activities
Pregunta 8
Pregunta
How are bacteria cells specialised?
Respuesta
Flagella enable the cells to move
A slime capsule which helps the cell stick to surfaces and protect it
Plasmids which carry extra genetic information
Many mitochondria to provide energy for movement
A nucleus to hold the genetic information
Pregunta 9
Pregunta
Red blood cells are specialised by...
Respuesta
Having no nucleus
Containing haemoglobin
Having a large surface area
Having no cell wall
Containing lots of mitochondria
Containing plasmids
Having flagella
Pregunta 10
Pregunta
Root hair cells have a large surface area in order to allow more molecules to be diffused and transported across.
Respuesta
True
False
Pregunta 11
Pregunta
Receptor cells detect stimuli
Respuesta
True
False
Pregunta 12
Pregunta
What is diffusion?
Respuesta
The movement of particles in a fluid from an area of high concentration to low concentration (with the concentration gradient) across a partially permeable membrane
The movement of particles in a fluid from an area of high concentration to low concentration (with the concentration gradient) across a fully permeable membrane
The movement of particles in a fluid from an area of low concentration to high concentration (against the concentration gradient) across a partially permeable membrane
The movement of particles in a fluid from an area of low concentration to high concentration (against the concentration gradient) across a fully permeable membrane
Pregunta 13
Pregunta
A tissue is a group of cells with similar function and structure