Bio 103 - Study guides, Class notes & Summaries

BIO 1033 [Chapter 8] Questions and Answers 100% Pass Is it true that using an addictive substance at an early age can alter vulnerable brain functions and increase the likelihood of addiction? - A) False - B) True - C) Uncertain Explanation: True. Early substance use can indeed affect brain functions and increase the risk of addiction. Is the majority of the U.S. national drug control budget allocated to demand reduction? - A) True - B) False - C) Not specified 2 ...

chloroplasts - organelles that capture the energy from sunlight and convert it into chemical energy in a process called photosynthesis virus structure - nucleic acid core of RNA or DNA surrounded by a protein coat called a capsid, sometimes with an outer lipid envelope 44 - How many autosomes do humans have? 46 - How many total chromosomes do humans have? What factors can affect enzyme activity? - temperature, pH, exposure to salt, heavy metals, alcohol, concentration, etc. A=T and G=C -...

BIO 1033 [Chapter 7] Questions and Answers 100% Pass 1. [T/F] Is it true that abusing pressurized inhalants can be dangerous because inhaling them directly from their containers can freeze lung tissue? - True - Explanation: Abusing pressurized inhalants by inhaling them directly from their containers can indeed lead to severe damage such as freezing lung tissue. The rapid expansion of the gas as it leaves the container can cause extreme cold burns in the throat and lungs, potentially ...

Bio 103 Quiz 1 Latest Update Already Passed **Understanding Biology** **Question 1:** What is biology? A) The study of non-living things B) The study of the natural world C) The study of human-made objects D) The study of living organisms Answer: D) The study of living organisms **Question 2:** What is a theory? A) A guess or hunch B) A widely accepted explanation that is supported by evidence C) A set of rules to follow D) A list of definitions to memorize Answe...

NIU: BIO 103- Exam 4 Latest Update Graded A+ What is the driving force behind the diversity of life on Earth? Evolution is the unifying principle of biology. What was a French naturalist who wrote a 44-volume catalog of all known plants and animals? Count Buffon was a French naturalist who wrote a 44-volume catalog of all known plants and animals. What was Count Buffon's significant contribution to the field of biology? Count Buffon provided evidence of descent with modificati...

Which energy molecule is the most common energy molecule used by cells? - ATP Aerobic cellular respiration (often just called cellular respiration) requires which molecule? - O2 Which of the following are inputs/reactants for aerobic cellular respiration? - O2 and C6H12O6 Which of the following are outputs/products from aerobic cellular respiration? - CO2 and H2O and 30-40 ATP energy molecules Why will cell use the complex metabolic pathway for slowly breaking down glucose through cellular ...

What is taxonomy? - Answer-The science of naming and classifying organisms. Who is the "Father" of Taxonomy? - Answer-Carolus Linnaeus Binomial nomenclature - Answer-Each species is assigned a unique two-part name. The first part is a noun that designates the genus and the second part is an adjective that modifies the noun called specific epithet. Modern hierarchy system of classification. Rules for scientific naming - Answer-1. Typically latinized 2. Two part name: Genus and species 3....

Cell - the smallest unit of life that carries on all the functions of life characteristics of life - uses energy, organized into cells, reproduces, responds to stimuli, grows and develops, metabolism, homeostasis homeostasis - maintenance of stable internal conditions Leeuwenhoek - the first to observe and describe living microorganisms taxonomy - the science of classifying, naming, and organizing living things into groups hierarchy of life - domain, kingdom, phylum, class, order,...

fixed action pattern - a sequence of unlearned acts directly linked to a simple stimulus sign stimulus - External sensory stimulus that triggers a fixed action pattern. how do birds know where to migrate? - 1. relative to the sun 2. landmarks 3. stars 4. magnetic field cirannual rhythms - behavioral rhythms linked to the yearly cycle of seasons circadian rhythm - the biological clock; regular bodily rhythms that occur on a 24-hour cycle signal - a stimulus transmitted from on...

Shortest wavelength and highways energy photons within the visible spectrum; one of the regions where chlorophylls absorb. a. green b. violet- blue c. red d. ultraviolet e. yelllow- orange ~ b. violet-blue Visible light not strongly absorbed by chlorophylls. a. green b. violet - blue c. red d. ultraviolet e. yellow- orange ~ a. green Visible light with longest wavelength and lowest energy photons; one of the regions where chlorophylls absorb. a. green b. violet - blu...