The function of guard cells in leaves is to a) allow water to enter the leaf b) allow air to enter the leaf c) regulate transpiration of water d) regulate photosynthesis

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u