All BUT ONE describes a function of apoptosis. That is ___. ( a. cells undergo cellular suic*de when they receive certain cues indicating that the cell is damaged ) ( b. maintain a balance within the immune system by getting rid of spent immune cells ) ( c. cell death that occurs when cells are exposed to toxins or are injured ) ( d. occurs during embryological development to make sure that extra body tissues are not present once the embryo has developed )

What must be true for natural selection to heppen

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.

Substances that can pass through cell membranes by diffusion include a. na ions. b. proteins c. glucose. d. oxygen.