A sample is taken from an unknown substance. When viewed under the microscope, visible cells are making up the material. What can be concluded about this sample?

Unsaturated fatty acids that have been changed to saturated fatty acids are called

The  central dogma  of molecular biology is centered upon the process of protein synthesis, in which the information from dna is transcribed and translated, resulting in multiple amino acids being joined to form a)lipidsb)proteinsc)carbohydratesd)nucleic acids

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons