When you are writing a conversion factor, you should place the units you need in the fraction’s numerator and the units you are converting to in the denominator. Why should you do this?

Which of the following structures is not found in both plant and animal cells? a) chloroplast b) cytoskeleton c) ribosomes d) mitochondria

What happens when the cell copies its chromosomes

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.