The activity of all human body systems is coordinated by (1) the secretion of hormones and the nervous system
(2) the interaction of nerve impulses with the excretory system
(3) the movement of digested food by the circulatory system
(4) the secretion of hormones and the circulatory system

Which of the following structures is a double layer of phospholipids with proteins? a: cytoplasm b: cell membrane c: ribosome d: cell wall

Laurels suv was detected exceeding the posted speed limit of 60 kilometers per hour how many kilometers per hour would she have been traveling over the limit if she had covered the distance of 10 kilometers in 5 minutes whats the speed distance and time

4) this is any functional structure within the confines of a cell; literally a. "small organ; " it usually has a membrane-based structure 5) this is a tiny fluid-filled cavity in the cytoplasm. it can be used for storage of biochemicals. 6) this is a two-part process that ends in the assembly of proteins at the ribosomes within cells. the first part, transcription, begins in the nucleus, when the dna code is transferred to mrna. the second part, translation, takes place at the ribosomes, where both mrna and trna work to assemble proteins. 7) these are singular, relatively long, whip-like organelles that many unicellular organisms use for motion. 9) this holds an organisms hereditary information. 10) energy stored in chemical bonds of molecules. - down 1) this kind of cell from a multicellular organism does not have a large central vacuole. 2) this organelle serves to process and package lipids and proteins in the cell. 3) this kind of cell has a large central vacuole and a cell wall. 8) chloroplast thylakoids are frequently stacked to form these disks. submit