Final exam bio 210 (Latest 2025/ 2026 Update) Grade A| 100% Correct (Verified Answers) A structure that is composed of two or more tissues would be a(n) ________. - ANSWER Organ Is most abundant chemical substance in the body , accounting for 60% to 80% of body weight - ANSWER Water Homeostasis is the condition in which the body maintains - ANSWER a dynamic state within an unlimited range, depending on circumstances Choose the following statement that is not completely correct regarding serous membranes. - ANSWER Visceral pericardium covers the surface of the heart, and parietal pericardium lines the walls of the heart
Place the following in correct sequence from simplest to most complex:
- molecules
- atoms
- tissues
- cells
- organs - ANSWER 2-1-4-3-5 (atoms, molecules, cells,
tissues, organs) 1 / 3
What is a vertical section through the body dividing it into left and right called ? - ANSWER sagittal The basic structural material of the body consists of . - ANSWER proteins The genetic information is coded in dna by the regular alteration of sugar and phosphate molecules - ANSWER Sequence of the nucleotides A chemical reaction in which bonds are broken is usually associated with - ANSWER release energy The number listed represent the number of electrons in the first, second and third energy levels respectively. On this basis, which of the following is an unstable or reactive atom? - ANSWER 2,8,1 Which of the following would be regarded as an organic molecule? - ANSWER CH4 (methane) The four elements that make up 96 % of body matter are - ANSWER Carbon, oxygen, hydrogen, nitrogen If atom X has an atomic number of 74 it would have which of the following? - ANSWER 74 protons 2 / 3
Which bonds often bind different parts of a molecule into a specific three- dimensional shape? - ANSWER Hydrogen Which vesicular transport process occurs primarily in some white blood cells and macrophages? - ANSWER phagocytosis In certain kinds of muscle cells, calcium ions are stored in - ANSWER Smooth ER The rna responsible for carrying amino acids to ribosomes for protein formation is
- ANSWER tRNA
- / 3
Which of the following describes the plasma membrane? - ANSWER the phospholipid bilayer surrounding the cell Which structure are finger like projections that greatly increase surface of cells ? - ANSWER Microvilli Which type of cell junction acts as anchors and distributes tension through a cellular sheet and reduces chances of tearing when it is subjected to great mechanical stress ? - ANSWER Desmosomes