bio 104 (Bio104)

Body fluids of an osmoconformer would be ________ with its _________ environment. a. hyperosmotic; freshwater b. isotonic; freshwater c. hyperosmotic; saltwater d. isoosmotic; saltwater e. hyposmotic; saltwater 2. A freshwater fish was accidently placed in salt water, and died after several minutes. Why? a. Loss of water by osmosis in cells in vital organs resulting in cell death and organ failure. b. Salt diffused into all of the fish’s cells causing them to swell and lyse. c. The kidneys...

1. Connective tissues have a. many densely packed cells without an extracellular matrix b. a supporting material such as chondroitin sulfate c. an epithelial origin d. relatively few cells and a large amount of extracellular matrix. e. the ability to transport electrical impulses 2. All skeletal muscle fibers are both a. smooth and involuntary b. smooth and unbranched c. striated and voluntary d. smooth and voluntary e. striated and branched 3. The epithelium best adap...

Prokaryotes Size (compared to eukaryotes) Shapes Cell wall (why is it important, and how is it different than eukaryotes) Gram Staining Why are bacteria gram-positive or gram-negative? How does that affect treatment? Be able to label the structures on Figure 27 (slide 14): fimbriae, flagella, sex pilus, capsule State the function of the following features: capsule, fimbriae, sex pilus, nucleoid, plasmid, and endospore What are the three factors contributing to genetic diversity in prokaryotes...

To increase the effectiveness of exchange surfaces in the lungs and intestines, evolutionary pressures have: a. increased the surface area available for exchange b. increased the thickness of these linings c. increased the number of cell layers d. increased the volume of the cells in these linings e. decreased the metabolic rate of the cells in these linings 2. Interstitial fluid provides for the exchange of materials between blood and body cells. 3. The lining of the smallest tubules in the ki...

1. In his work with pneumonia-causing bacteria and mice, Griffith found that a. the protein coat from pathogenic cells was able to transform nonpathogenic cells. b. heat-killed pathogenic cells caused pneumonia. c. some substance from pathogenic cells was transferred to nonpathogenic cells, making them pathogenic. d. the polysaccharide coat of bacteria caused pneumonia. e. bacteriophages injected DNA into bacteria. 2. What is the basis for the difference in how the leading and lagging strands of...

Chapter 44 1. Body fluids of an osmoconformer would be ________ with its _________ environment. a. hyperosmotic; freshwater b. isotonic; freshwater c. hyperosmotic; saltwater d. isoosmotic; saltwater e. hyposmotic; saltwater 2. A freshwater fish was accidently placed in salt water, and died after several minutes. Why? a. Loss of water by osmosis in cells in vital organs resulting in cell death and organ failure. b. Salt diffused into all of the fish’s cells causing them to swell and lyse. ...

microscope slides LABLED and labeled live demo pictures from Mosses Demo in lab, ferns, antheridia archegonia gametophyte, slides, Sporophyte and Gemmae cup microscope slides, Marchantia antheridium and archegonium life cycle diagrams, liverwort life cycle diagram, Fern microscope slides, fern Gametophyte (Prothallus) life cycle, fern Gametophyte and sporophyte Sorus with sporangia surrounded by annulus microscope slides, Life Cycle slides Phylum Lycophyta-spike moss (Selaginella), microscope sl...

Campbell Reese Biology ch 40-43 final exam study guide questions and answers After surgical removal of the gallbladder, a person must be careful to limit intake of a. starch b. protein c. sugar d. fat e. water Chapter 42 26. What would happen if the amount of interstitial fluid surrounding the capillary beds of the lungs were to increase significantly? a. The amount of CO2 entering the lungs from the blood would increase. b. The amount of CO2 entering the blood from the lungs would in...

Classification of Viruses, Bacteria and Protists Quiz-Test Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Four of the kingdoms include eukaryotes and the other two include ____ 2. Which of the following is not a characteristic used to differentiate kingdoms? ____ 3. The kingdom that contains both unicellular and multicellular organisms is the kingdom ____ 4. Some biologists group eubacteria and archaebacteria together in a kin...