If dna replication continues as illustrated, which statement most accurately describes the expected results? a) one strand of replicated dna will produce a lethal gene. b) two new dna strands, identical to the original, will be produced. c) one strand of replicated dna will provide a altered code for one amino acid. eliminate d) the two replicated strands of dna will contain mutations that will affect protein synthesis.

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

Which organisms have pharyngeal arches that develop from all three germ layers and go through the same development stages as embryos? 1.bird 2.ladybug 3.starfish 4.snake

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?