Answer:
Robert Koch
Explanation: He created tests that helped confirm that bacteria and other microorganisms cause a variety of diseases in human beings
Answer: Option D) Pupil
Explanation:
Pupil is the hole in the middle of the iris of the eye, through which light passes to be focused on the retina. Thus, the pupil is analogous to the hole in the centre of a doughnut
Photosynthesis is the process where plant calls take in Water, Carbon dioxide, and energy(sunlight) To produce oxygen and glucose(sugar)
Cellular respiration is the process where a cell takes in oxygen and glucose to produce water, carbon dioxide, and energy (ATP)
Photosynthesis only occurs in a plant cell, while cellular respiration occurs in all cells.
Enzymes bind with chemical reactants called substrates. There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products.
More than one nuclues could be found in the D) Muscle fibre.
