What is a plausible explanation for why bacteria lack ether-linked cell membranes? select one: . a. they need chitin in the cell membranes.. b. they exchange fluids with the environment.. c. they do not live in the extreme environments.. d. they have peptidoglycan in their membranes..

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.

This is an active transport mechanism by which cells pump sodium and potassium ions against the concentration gradient