BIO 105- Final Exam Guide - Comprehensive Notes for the exam ( 43 pages long!)
Document Summary
Cellular organization: living things consist of one or more cells, cells are organized- different parts/different functions, in multicellular organisms cells form tissues, tissues form organs, organs form systems. Energy transformations: acquire and use energy, carry out and control numerous chemical reactions. 3 characteristics of living things: maintenance of internal environment. Sense & interact with external environment: reproduction and growth. Genes or metabolism first: rna first- this complex molecule popped up into existence, metabolism first- within simple membranes- smaller molecules interacting with each other and conforming to cycles. Scientific method: observation, questioning, hypothesis, testing, explanation-conclusion. Water- biologically essential to life: polarity, hydrogen bonds. Carbon tends to bond with: hydrogen, oxygen, nitrogen. 4 groups of biological macromolecules: carbohydrates, lipids-fats, proteins, nucleic acids. *example exam question: which of the following is considered one of the four macromolecules common to all life: carbs- simple sugars, lipids- fatty acids, proteins- amino acids, nucleic acids- nucleotides.
