Which layer of the epidermis produces dead cells?
stratum basale
stratum corneum
stratum granulosum
stratum lucidum
stratum spinosum

Why aren't the stains like crystal violet and safranin washed away with water during simple staining?

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above