Plants, fungi, bacteria: they all have cell walls for protection and support. but bacterial cell walls have another function. without its cell wall, a bacterium would break open and burst. this bursting is due to a) gravity. b) high temperature. c) internal pressure. d) chemical hydrolysis.

Protein synthesis actually begins in the nucleus when transcribes a single gene on the dna molecule is copied. the process of copying this gene is called this copy is known as and contains the protein building instructions. this copy is sent out into the cytoplasm to the part of the cell known as the the of the ribosome will join together to form a functional ribosome when they attach to the mrna. as the mrna moves through the ribosome, the message is read by transfer rna brings the correct back to the ribosome. the amino acids are placed in the correct order and are hitched together by

Nkentucky, intoxicating beverages (beer, whiskey, wine, etc.) are involved to some extent in approximately % of collisions fatal to pedestrians.

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million