Lysozyme is an enzyme found in animals that helps prevent bacterial infections in eyes. Which statement best explains how lysozyme functions? It acts as a lubricant to wash bacteria out of the eye.
It acts as a lubricant to wash bacteria out of the eye.

It acts as a catalyst to break down harmful bacteria.
It acts as a catalyst to break down harmful bacteria.

It acts as a protective layer to prevent bacteria from entering the eye.
It acts as a protective layer to prevent bacteria from entering the eye.

It acts as a trap to catch bacteria and restrict their movement.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation:

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

the water is warmed up by the sun and then it evaporates into the atmosphere. the sunlight warms the water by its heat. water is then cooled down and condensation takes place. the water then finally returns back to the earth by the process of precipitation in the form of rain or ice.

explanation: