BSC1005 Chapters 1-7 Midterm Study Guide GRADED A 2024

Saturated fats are saturated with - hydrogen A specific stretch of DNA that programs the amino acid sequence of a polypeptide is a - gene Examine the 2 sugars in the following figure. How do these 2 sugars compare? - they have the same formula but different structures. Proteins are polymers constructed from - amino acid monomers A single covalent bond can form a maximum of - 4 covalent bond(s) People with lactose intolerance do not have enough - lactase Which of the following is hydrophilic? - cellulose Carbohydrates typically include - C, H, and O atoms How does RNA differ from DNA? - RNA contains uracil; DNA contains thymine. What is the name given to the reaction that breaks peptide bonds? - hydrolysis Members of the kingdom Plantae differ from members of the other kingdoms of Eukarya in that most members of the kingdom Plantae - produce their on food In what way(s) is the science of biology influencing and changing our culture? - helping us understand evolution..., revealing mutations in genes.....,providing forensic investigations.....(all of the above) You try to start your car, but it does not start. Which of these is a hypothesis? - my car's battery is dead Regulation in biological systems depends on feedback, which is an example of information flow. When diabetes destroy insulin-producing cells, what information flow is disrupted? - the body is unable to send signals that indicate the amount of sugar in the blood What are the eukaryotic genes composed of? - DNA What are two main processes upon which ecosystems depend? - nutrient recycling and energy flow What does "adaptation" mean in an evolutionary context? - the accumulation of favorable variations in a population over time Which of the following structure can perform all the activities required for life? - cells The DNA of a eukaryotic cell is found within the - nucleus Which of these results would you predict to occur if climate change results in increased warming global temperatures? - the tree line (at which it is too cold for trees to grow) moves toward the north and south poles Adjacent water molecules are joined by ______ bonds. - hydrogen Isotopes of an element have the same number of ______ and different numbers of ______. - protons and neutrons