Keith is creating notes on invertebrate animals. Help him finish the sentences. The invertebrates belong to the domain Eukarya because they possess a in each of their cells. They belong to the kingdom Animalia because their cells lack a cell around them.

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.

Draw the structure of dna nucleotide with adenine as nitrogenous base

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called