What allows membranes to be permeable to small ions? A Option A: small ions can pass directly through a lipid bilayer B Option B: ion channels C Option C: G-proteins D Option D: aquaporins

Which of the following is an advantage of solar energy?

Which statement describes an endocrine function rather than an exocrine function? a. salivary glands release saliva into the mouth. b. sweat glands release sweat onto the skin c. the pineal gland releases melatonin into the blood. d. esophageal glands release mucus into the esophagus.

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate