Which processes use energy obtained from respiration? 1 contraction of intercostal muscles during breathing 2 nitrate ions entering a root hair cell against the concentration gradient 3 oxygen moving from the lungs into blood capillaries 4 production of antibodies by lymphocytes 5 water entering a bacterial cell by osmosis

In the human breathing system, which features maintain the carbon dioxide gradient between the alveoli and the outsid…

During the production of alcohol, why must air be kept out of the fermenter?

Anaerobic respiration in yeast can be summarised as follows. glucose → ethanol + carbon dioxide How many molecules of…

A plant has flowers whose anthers mature and fall off before the stigma is fully developed. What will this prevent?

Which diseases can be cured with antibiotics?

Which row correctly shows an advantage of feeding babies breast milk and an advantage of feeding them bottle milk?