Key concepts topic 1 Flashcards
Gives an adaptation of ciliated epithelial cells
Short tail like structures that can contact and cause wavy movement
Give an advantage of electron microscopes, compared with light microscopes
The allowed to see cell structures, more clearly, and more detail
Give the function of flagella
They help bacteria move
How to substances move in and out of cells
Diffusion osmosis and active transport
How many chromosomes are in a human haploid cell?
23 chromosomes, one set
List for adaptations of a sperm cell
acrosome, haploid nucleus, mitochondria, tail
List adaptations of an egg cell
Nutrients in the cytoplasm, haploid nucleus, mitochondria, changes in the cell membrane after fertilisation
Name five subcellular structure found in a bacteria
Chromosomal DNA, plasmid DNA, cell membrane, ribosomes, and flagella
Name for sub cellular structures found in an animal cell
Nucleus, cell membrane, mitochondria and ribosomes
Name 7 sub cellular structures found in a plant cell
Nucleus, cell membrane, cell wall, chloroplast, mitochondria, vacuole and ribosomes
Name the enzyme that breaks down carbohydrates
Analyse
Name the enzyme that breaks down lipids
Lipase
Name the enzyme that breaks down proteins
Protease
Name is a product from the breakdown of carbohydrates
Sugar
Name the product that form the breakdown of lipids
Fatty acids and glycerol
Name of the product for breaksdown breaks down proteins
Amino acids
What are enzymes?
Biological catalysts that increase the rate of reactions
What are smaller loops of DNA called?
Plasmid DNA
What can enzymes be used to synthesise?
Carbohydrates, proteins and lipids
What controls most bacteria activities?
Chromosomal DNA
What does micro mean?
10^-6
What does milli mean?
10^-3
What does nano mean?
10^-9
What does pico mean
10^-12
