Bio 150 Study guides, Class notes & Summaries

In an analysis of the nucleotide composition of a double stranded DNA molecule, which of the following will not be found? A. C = G B. C + G = A + T C. A/T = C/G D. A - C = T - G - ANSWER B. C + G = A + T A controlled experiment.... A. Includes at least two groups, one of which does not receive the experimental treatment. B. Proceeds at a slow pace to guarantee that the scientist can carefully observe all results. C. Includes at least two groups, one different from the other by two or m...

JMU BIO 150: Exam 1 Questions with Complete Solutions

The medulla oblongata, pons, and midbrain comprise the A) mesencephalon B) basal ganglia C) ventricles D) cortical lobes of the cerebrum E) brain stem - ANSWER E) brain stem The folds of the cerebrum are called A) sulci B) gyri C) cortical folds D) arachnoid granulations E) dural sinuses - ANSWER B) gyri The wall between the lateral ventricles is called the A) falx cerebri B) corpus callosum C) septum pellucidum D) fornix E) cerebral aqueduct - ANSWER C) septum pellucidum ...

True or false: observations allow scientists to draw tentative explanations called hypotheses. -false -true - ANSWER true The negatively charged components of atoms are referred to as: -anions -electrons -neutrons -protons -cations - ANSWER electrons Which one of the following contributes to the measurement referred to as atomic mass? -protons and electrons -protons and neutrons -neutrons only -electrons and neutrons -protons, electrons, and neutrons - ANSWER protons a...

Dr. Keck studies - ANSWER Ichthyology 7 criteria for life - ANSWER Organization, Metabolism, Growth, Homeostasis, Response to Stimuli, Adaptation, Reproduction How are bacteria, archaea, and eukaryotes are related - ANSWER Last Universal Common Ancestor (LUCA) timeline for early earth: earths formation and the first single celled organisms - ANSWER 4.5 bya Earth was formed, 4 bya the crust was solidified, 3.5 bya we find the oldest fossils of microorganisms (all of these are prokaryotes...

Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio 150 Final - Anatomy and Physiology Accurate 100%(RATED A+)Bio ...

What is meant by selective toxicity? Correct Answer-Chemotherapeutic agents should act against the pathogen and not the host. Why are chemotherapeutic agents that work on the peptidoglycan cell wall of bacteria a good choice of drug? Correct Answer-Humans and other animal hosts lack peptidoglycan cell walls. Why is polymyxin only used on the skin? Correct Answer-It can also damage living human cell membranes, but the drug is safely used on the skin, where the outer layers of cells are dead...

bio 150 final exam Correct Questions & Answeheat is a form of? a. kinetic tial c. activation d. catalytic - ANSWER a. kinetic An alpha helix is a type of protein_________ structure? a. primary b. seconday c. tertiary d. quartenary - ANSWER b. secondary the cytoplasmic granule of RNA and protein that reads mRNA and synthesizes proteins is called the _________, an organelle that is not bound by a membrane? a. kinetechore b. Golgi complex c. ribosome d. nucleolus - ANSWER c. r...

population - ANSWER an interbreeding (sharing genetic information) group of individuals who live in the same geographic area and exist at the same time variability within a species/population (importance) - ANSWER important because: -some genetic variations have advantages over others -natural selection can act on the variation that arises What if populations are separated and can't exchange genes? - ANSWER two processes can occur: 1. genetic divergence 2. speciation genetic diverg...

Bio 150 Final (2024 Latest Update)Accurate In an analysis of the nucleotide composition of a double stranded DNA molecule, which of the following will not be found? A. C = G B. C + G = A + T C. A/T = C/G D. A - C = T - G - ANSWER B. C + G = A + T A controlled experiment.... A. Includes at least two groups, one of which does not receive the experimental treatment. B. Proceeds at a slow pace to guarantee that the scientist can carefully observe all results. C. Includes at least two gro...