b2 Flashcards
how are palisade cells adapted?
they have many chloroplasts
diffusion definition-
spreading out of particles from an area of a higher concentration to an area of lower concentration.
where is bile made?
liver
where is food digested?
the stomach
where is food reabsorbed?
s.intestine
photosynthesis word equation-
carbon dioxide + water>glucose + oxygen
what does amylase turn starch into?
sugars
where is amylase made?
pancreas + s.intestine
what does protease turn protein into?
amino acids
where is protease made?
stomach, pancreas, small intestine
what does lipase turn lipids into?
fatty acids and glycerol
where is lipase made?
small intestine and pancreas
what does bile do?
neutralises stomach acid
aerobic respiration equation-
Glucose + oxygen > carbon dioxide + water.
anaerobic respiration equation
glucose> lactic acid + energy
what happens in the first stage of the cell cycle?
the DNA replicates (2 copies of each chromosome), the cell grows, and copies its ribosomes and mitochondria.
in the 2nd stage of the cell cycle(mitosis) what happens?
one set of chromosomes is pulled to each end of the cell, and the nucleus divides.
what happens in the final stage of the cell cycle?
the cytoplasm and the cell membrane divide to form 2 identical daughter cells.
