Biosci - Study guides, Class notes & Summaries

AnatomyC correct answers Study of body structures Gross anatomy correct answers Study of large body structures visible to the eye—e.g. heart, lungs. Microscopic anatomy correct answers Study of structures too small to be seen by the eye and instead are viewed using a microscope. Physiology correct answers Study of body functions and relates to the operation of specific organ systems. Structural level of organisation correct answers Chemical Cells Tissues Organs Organ sy...

A biomarker is a biochemical or physical feature that can be measured objectively as an indicator of a normal or abnormal biological process. correct answers True Elevated glucose is used as a biomarker to indicate which disease state? correct answers d. Diabetes Several biochemical principles are used to identify a specific bio-marker and thereby diagnose a particular disease state. Which of the following is not among the principles that are commonly used? correct answers c. A scan of the...

Distinguish between auto and heterotrophs correct answers Auto- makes their own food for energy Hetero- eats other organisms to gain energy Generalized formula for photosynthesis correct answers Energy + 6CO2 +6H2O ---> C6H12O6 + 6O2 What are the reactants, products, and reducing and oxidizing agents correct answers Reactants- carbon dioxide and water Products- sugar and oxygen gas H2O gets oxidized CO2 becomes reduced Cell structures associated with photosynthesis correct answer...

emergent properties correct answers Atoms->molecules->cells->tissue->organs->organ systems->organisms Prokaryote correct answers bacteria & archea. no organelles Eukaryote correct answers protists, plants, fungi, and animals membrane-bound organelles All cells share.. correct answers cytoplasm, DNA, ribosome, a cell membrane Gene expression correct answers converting of gene information to cellular product (protein or RNA) Genome correct answers an organism's...

what is an ecological study? compare disease rates at the population level with specific exposures - correlation what is a case-control study? compare info from cases and controls - past exposures result associated with case-control odds ratio = odds exposued in cases / odds exposed in controls What is a cohort study? collect info from diet for those without disease and follow for years to observe if disease occur result for cohort study relative risk = risk in exposed / risk in unex...

Biological species concepy - Answer-Biological species concept (BSC) defines a species as a reproductive community and is thus based on interbreeding as a criterion. "Groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups. The BSC has dominated biology since 1940s. Problems with the BSC - Answer-Plants are problematic because of interspecific hybridization between clearly different species; doesnt apply to asexual orgnai...

First line of defence correct answers the external body membranes -intract skin and mucosae. second defence correct answers called into action whenever the first line has been penetrated, relies on internal defences such as antimicrobial proteins, phagocytes and other cells to inhibit the invaders spread throughout the body, this is where inflammation happens. Innate (nonspecific) defense system correct answers Is always prepared, responding within minutes to protect the body from foreign ...

A localized group of organisms that belong to the same species is called a A) biosystem. B) community. C) population. D) ecosystem. E) family. correct answers C) population Organisms interact with their environments, exchanging matter and energy. For example, plant chloroplasts convert the energy of sunlight to A) the energy of motion. B) carbon dioxide and water. C) chemical energy. D) oxygen. E) kinetic energy. correct answers C) chemical energy The main source of energy for pr...

HBS 109- Bioscience Applied to Nursing 2 Axial skeleton consists of: - Skull - Vertebral column: The cervical vertebrae support the weight of the head and neck, while the lumbar vertebrae support the weight of the trunk, head and neck. Protects the spinal cord The cervical spine offers the greatest movement capabilities (flexion, extension, rotation, lateral flexion). The thoracic spine is more stable, but permits rotation with limited flexion and extensions. The lumbar spine allows so...

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