Biol 203 Study guides, Class notes & Summaries

Both are purines - ANSWER Which is true regarding adenine and guanine? Adenine is a purine and guanine is a pyrimidine Both are pyrimidines Adenine is a pyrimidine and guanine is a purine Both are purines Metabolism - ANSWER The combination of all reactions (catabolic + anabolic) within a cell is termed______ Enzymes - ANSWER ___ is a biological catalyst catalyst - ANSWER An enzyme acts as a ____ that alters the rate of a reaction without being changed by the reaction. activation...

The partial negative charge at one end of a water molecule is attracted to the patrial positive charge of another water molecule. What is this attraction called? a. a hydrogen bond b. a covalent bond c. an ionic bond d. a van der Waals interaction Sodium ions (Na+) are __________ to cross a pure phospholipid bilayer because they are _________. a. able, nonpolar b. unable, charged c. able, charger d. unable, nonpolar - ANSWER b - ANSWER a A solution with a pH of 5 has __________...

A wave measures 0.5 meters from its crest to its trough. Thirty-seven seconds pass between consecutive wave crests in series and the distance measured between crests is 45 meters. The wave's period is _____. - ANSWER 37 seconds The impact of waves is mostly observed, and most impacts mankind _____. - ANSWER along the coastline In deep water the movement of a water particle in a wave is _____. - ANSWER a circle Rip currents are found _____. - ANSWER perpendicular to shore Rogue waves...

Biol 203 Final part 1 Accurate Questions & AnsSodium ions (Na+) are __________ to cross a pure phospholipid bilayer because they are _________. a. able, nonpolar b. unable, charged c. able, charger d. unable, nonpolar - ANSWER b The partial negative charge at one end of a water molecule is attracted to the patrial positive charge of another water molecule. What is this attraction called? a. a hydrogen bond b. a covalent bond c. an ionic bond d. a van der Waals interaction - ANSWER a...

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chronic degenerative disease - ANSWER non-infectious disease that develops slowly, deterioration of tissues ex diabetes epidemiologic study - ANSWER study where data is collected from a group of people who aren't asked to change their behaviours inorganic compound - ANSWER substance that doesn't contain carbon non infectious disease - ANSWER not contagious, long term and chronic ex. heart disease, cancer nutrition transition - ANSWER a shift from undernutrition to over nutrition, r...

BIOL 203 Practice Exam Correct Questions & Answers(Scored A)!! Proteogylcans - ANSWER attract water and give flexibility to cartilage Trabeculae are found in... - ANSWER spongy bone and are able to bear weight Endochondral development of bone, what occurs second? - ANSWER A bone collar forms around the edge of the cartilage The part where the epiphyseal plate where new bone is laid.. - ANSWER Diaphyseal side What nutrient is the most important to collagen formation... - ANSWER V...

BIOL 203 - Final Exam Study Guide Accurate Questions & Answers(SCORED A+)What is the path of light through the compound microscope? - ANSWER Light source --> condenser --> specimen --> objective lens --> ocular lens The image from the objective lens is magnified again by the ocular lens. What are the steps of a gram-stain? - ANSWER 1) Primary stain (crystal violet) - 1 minute 2) Mordant (Gram's iodine) - 1 minute 3) Decolorizing agent (ethanol) - 5 seconds 4) Counterstain...

Microbiology LCC (Final) BIOL 203, The Updated Questions and Answers 100% Already Graded A+ Excel There are two cell types - prokaryotic and eukaryotic. List the 7 classes or basic types of microorganisms and identify each as prokaryotic, eukaryotic, both prokaryotic and eukaryotic, or neither. - CORRECT ANSWER-1. Bacteria- prokaryotic 2. Archaea- prokaryotic 3. Algae- eukaryotic 4. Fungi- eukaryotic 5. Protozoa- eukaryotic 6. Helminthes- eukaryotic 7. Viruses- neither What is a bact...

Biogeography - ANSWER Study of variation in species composition and diversity across geographic locations regional species pool - ANSWER all the species contained within a region (gamma diversity) gamma diversity - ANSWER total species diversity in a landscape alpha diversity - ANSWER Species physiology and interactions with other species are important factors in the resulting species diversity beta diversity - ANSWER change in species, or turnover, from one community type to another...