Aging affects all of the body's cells; and therefore, the basic building blocks of tissues. all cells in the body experience changes with aging. as your body changes, becoming stiff making the organs, blood vessels, and airways more rigid.
a) bones
b) muscle
c) cartilage
d) connective tissue

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.

What are the proteins in connectivity tissues of your foot examples of?

Which type of mutation occurs in reproductive cells and can be passed to offspring? somatic mutation germline mutation point mutation frameshift mutation