Study guides, Class notes & Summaries

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...

Antoni van Leeuwenhoek: contributions created quality microscopes, allowing him to see the previously unknown microbial world 6 groups of microorganisms bacteria, archaea, fungi, protozoa, algae, small multicellular animals Bacteria (domain, type, cell wall, reproduction, notable features) domain: bacteria type: unicellular cell wall: peptidoglycan (has sugar component) reproduction: asexual notable: most are not pathogenic Archaea (domain, type, cell wall, reproduction, notable featur...

Which of the following statements is true? a) The body needs protein to make sodium, calcium, and other mineral elements. b) The human body normally uses very little protein for energy. c) Proteins are comprised of smaller chemical units called fatty acids. d) Proteins are comprised of phosphorus, oxygen, hydrogen, and carbon. - b) The human body normally uses very little protein for energy. Every amino acid has _ in its chemical structure. a) iron b) nitrogen c) potassium d) chlo...

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 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...

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...

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...

Biol 203-Final Exam Questions & Answers(SCOR 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 _____. ...

BIOL 203 Final Exam Questions And Answers(2024 Update)!! 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 th...

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 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 A solution with a pH of 5 has __________ p...