Why is the location of chloroplasts in a leaf important?

Specialized cells which perform a particular function form : organisms organs tissues

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.

Factors that can increase mutation rates a. high temps b. low temps c. food additives d. uv rays