Anormal mrna that reads 5’ – – 3’ has an insertion mutation that changes the sequence to 5’ -– 3’. translate the original mrna and the mutated mrna, and explain how insertion mutations can have dramatic effects on proteins. (hint: be sure to find the initiation site.)

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.

Why are common names a problem for scientist?

The polio virus can cause skeletal muscle paralysis by destroying neuron cell bodies. what area of the spinal cord is destroyed