Human Physiology Test 1 Exam 1 Answers Latest Updated & Approved

Which of the following is an important characteristic of lipids? They are nonpolar. Choose the correct example of signal amplification. One hormone molecule causes the activation of more than one second messenger molecule Which is the most abundant biomolecule in the human body? Proteins Which of the following BEST demonstrates solubility? A teaspoon of salt disappears when stirred into a glass of water. Hydrophobic solutes are generally soluble/insoluble (choose one) in water, due to the presence of _____ covalent bonds between the atoms in each solute molecule. insoluble; nonpolar Water readily dissolves ions because the atoms i water molecules are bonded by _____ bonds. polar covalent For ions in solution, the measurement unit that considers the number of electrical charges carried by each ion is the _____. equivalent Which compound is hydrophobic? Butter What is a substance that can moderate the change in pH of a solution? A buffer What would cause a protein response rate to be maximal? The protein binding sites are saturated. Which of the following builds new strands of DNA? DNA plymerase