BIO 256 Practice Exam Questions with correct Answers (Definite Pass)

BIO 256 Practice Exam Questions with correct Answers (Definite Pass) In a negative feedback loop used to maintain homeostasis, which of the following terms is NOT likely to be used? - Answer-hypothesis Which is the fluid found between cells in your blood? - Answer-plasma Which is an organic molecule? - Answer-C6H12O6 The universal solvent of life is - Answer-water A salt such as NaCl becomes forms ______ when dissolved in water. - Answer-electrolytes Which releases H+ in water? - Answer-acids A solution that does not change pH with small additions of acid or base is called a - Answer-buffer Glycogen is a - Answer-carbohydrate The components of sterols include - Answer-four carbon rings with a hydrocarbon tail Polyunsaturated fatty acids have ____ double bond(s). - Answer-2 or more Some proteins, like hemoglobin, consist of more than two polypeptide chains. the way these polypeptide chains interact with each other is referred to as the protein's - Answer-quaternary structure Which consists of a single strand of nucleotides? - Answer-RNA Anticodons would be found in - Answer-tRNA Transfer RNA molecules come to the ribosomes in the order directly dictated by _____. - Answer-mRNA Within mammalian cells, the "universal energy carrier" is - Answer-adenosine triphosphate Nicotinamide adenine dinucleotide (NAD) is - Answer-coenzyme Which of the following processes involve the extension of pseudopods to enclose a bacterium causing an infection? - Answer-phagocytosis Red blood cells placed in hypotonic solution will exhibit - Answer-hemolysis Cell A and cell B are located side by side within the same tissue but are not in direct contact with each other. Cell A releases a chemical messenger. In order for cell B to