BIOL 203

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...

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...

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...

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...

bactericidal - ANSWER kills microbes (bateria) directly Where are antibiotic resistance genes typically located? - ANSWER On plasmids or transposons that can be transferred between bacteria Examples of misuse that can lead to antibiotic resistance - ANSWER -using outdated or weakened antibiotics -using antibiotics for the common cold and other inappropriate conditions -using antibiotics in animal feed -failing to complete the prescribes regimen -using someone's leftover prescription ...

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 Vitamin C A lack of what would cause blood calcium levels to drop?...

Digestion - breaks down food into nutrients Absorption - brings the nutrients into the cells of the small intestine for transport to other body cells path of food through the body - - mouth -esophagus -upper and lower esophageal sphincters -stomach -pyloric sphincter -small intestine -ileocecal sphincter -large intestine -past the appendix -rectum -anus ***The wavelike contractions of peristalsis and the periodic squeezing of segmentation, keeps things moving ***Along the w...

bactericidal - ANSWER kills microbes (bateria) directly Where are antibiotic resistance genes typically located? - ANSWER On plasmids or transposons that can be transferred between bacteria Examples of misuse that can lead to antibiotic resistance - ANSWER -using outdated or weakened antibiotics -using antibiotics for the common cold and other inappropriate conditions -using antibiotics in animal feed -failing to complete the prescribes regimen -using someone's leftover prescription ...

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 Rogue waves are classified as being _____. - ANSWER Statistically much larger than other large waves 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 __...

BIOL 203 Practice exam Verified Questions & Answers!! The function of the skeletal system is to - ANSWER protect various organs, store triglycerides, allow movement Which of the following cells are NOT found in the epidermis? - ANSWER Fibroblasts The cortex of the long bone's diaphysis is made of ____ - ANSWER Compact bone A shorter, seventy-year-old Chinese woman comes to you with a broken hip. Which test do you orderto check for osteoporosis? - ANSWER A bone mineral density test...