Biol 221 - Study guides, Class notes & Summaries

diverse group of photosynthetic organisms; most are aquatic and autotrophic and lack many of the distinct cell and tissue types found in land plants; have chlorophyll as their primary photosynthetic pigment and lack a sterile covering of cells around their reproductive cells algae domain of single-celled organisms; lack cell nuclei and are therefore prokaryotes; size 0.3-2 micrometers; no peptidoglycan in cell wall; no mitochondria, no chloroplasts; probably a cytoskeleton; found in all environ...

In Pasteur's famous experiment that finally disproved spontaneous generation, bacteria grew____. A. Only in the flasks with a swan neck. B. Only in media that came into contact with air. C. Only in media that came into contact with other bacteria. D. Only once the media had been boiled. E. In all flasks, regardless of how they were treated experimentally. - ️️C. Only in media that came into contact with other bacteria. There is must interest in using bacteriophages to kill the bac...

Rank the following lipids in order from MOST SOLID to LEAST solid at room temperature.(1) Saturated lipids (2) Cis-unsaturated (3) Trans-unsaturated - ️️MOST SOLID (1) > (3) > (2) LEAST SOLID What type of microscope measures electric current passing through a probe rather than using part of the electromagnetic spectrum? - ️️Atomic force It was mentioned in an earlier lecture that science should be "predictive". What does this mean? - ️️If you change a variable in an...

BIOL 2211 AP1 LAB (DR Wilmhoff) FINAL 100% CORRECT and Verified.

Taken together, the experiments of Pasteur, Tyndall and Koch demonstrated that... as long as no living organisms enter a solution, it can be kept sterile indefinitely. Which of the following reactions involves a net release of energy? Making glucose from starch How can you improve the resolution of a light microscope? Have the light pass through a medium with a refractive index <1 How do prions cause infectious diseases? They misfold, and then cause other proteins to misfold, event...

Pilorelaxation -Relaxation -Hair Flattens -Air flow increases -Heat Loss Piloerection -Contraction -Hair point up -Air is trapped (increases boundary layer/surface layer) -Insulation Unlike plants, animals source carbons via __________ consumption Scaling Predictable morphological and physiological functions changes according to body size

a brain region that contains several collections of neuronal cell bodies that provide a connection between the nervous system and the endocrine system - hypothalamus a specialized region of the circulation where a blood vessel connects two sets of capillaries - a portal system a true endocrine gland of epithelial origin, sometimes called the adenohypophysis - anterior pituitary adrenal cortex hormone - aldosterone adrenal gland hormone - adrenocorticotropin (ACTH) after a hormone has exe...

BIOL-221 Exam 3 (Chapters 17, 18, 19, 20, and 21); Questions & Answers What are the three main functions of blood? (Give two examples of each) CORRECT ANS-1) transport (oxygen and nutrients, metabolic wastes, hormones)

anatomical position of humans - ️️body is erect, head faces front, arms against body, palms/toes point forward anatomical position of quadruped - ️️body stands on all four legs, toes pointing forward, head faces front, tail/neck outstretched cytology - ️️study of cells cellular anatomy gross anatomy - ️️macroscopic anatomy embryology - ️️study of embryos and their development developmental anatomy teratology - ️️study of malformations disorders during developmen...