Biology Questions

1. What is the evolutionary significance of the Chlorophyta? Why is Chlamydomonas an important member of this group? 2.Describe and give examples of two separate paths by which multicellular organisms evolved from unicellular organisms. 3.Would you classify the Prostists as chemotrophs or phototrophs. Explain you answer. ...continues

Bacteria, Fungi and antibiotics

1.When bacteria and fungi are competing for the same resources, the bacteria usually dominate and prevent the fungi from growing. As a result, fungi have adapted so that they can live (and thrive) in environments that are very hostile to bacteria. Give five examples of fungal adaptations that allow them to colonize environments ...continues

Biology questions involving Mosses

1.If you were looking for mosses, what are some of the characteristics of the habitats in which you would took? Explain your answer based on your knowledge of bryophyte life history. 2.Compare and contrast the alternation of generations in mosses, ferns and pines. Which generation is dominant in each case? Is it haploid or di ...continues

Fungi, Candida infections and Athlete's Foot.

3.Some fungi have played very prominent roles in history. Write a paragraph (250 words approx) about each of the following events. Identify the fungus involved a. Irish Potato Famine b. Witches of Salem 4.Candida (yeast) infections often occur when an individual is taking antibiotics. Explain why this is so. 5.What cau ...continues

Various forms for fungus

1. Describe the structure of a multi-cellular fungus. Identify the vegetative and reproductive portions of the fungus. 2. Distinguish between sexual and asexual fungal spores. Give examples of each type of spore. 3. Describe the reproductive mechanisms of yeasts 4.What ace the imperfect fungi? 5. How do fungi digest their ...continues

Biology Questions

1. Cite six ways in which fungi are (a) beneficial to humans, and (b) harmful to humans. 2. A lichen is a symbiotic relationship that most often involves which two organisms? 3. Karyogamy in the basidiomycetes results in the production of what? 4. Fungi are non-motile. How are they dispersed to new areas? 5. What fungai ...continues

Biology questions involving plant life

1. Why do mosses and ferns both require free water to complete their life cycles? At what stage of the life cycle is the water required? Do angiosperms also require water to complete their life cycles? What are the reasons for the difference? 2. How are cells of a liverwort supplied with water? 3. Flowering plants evolved s ...continues

Biology Multiple Choices Questions

1. During the transcription of a certain protein, an extra cytosine was placed into a gene region, throwing off the correct amino acid sequence. What type of mutation occurred? A. Transposon B. Insertion C. Base-pair substitution D. Deletion 2. DNA requires which of the following? A. Sunlight C. Protein synthase B. ...continues

Biology Questions

6. In the absence of specific carrier proteins, which of the following can diffuse readily across the plasma membrane of a cell? ATP, glucose, amino acids, fatty acids, water, gases, proteins, ions, polysaccharides, glycerol, hemoglobin, ethanol. 7. Using artificial liposomes researchers showed that phospholipid bilayer m ...continues

anthropology multiple choice questions

1. Which of the following is characteristic of the anthropological approach? a. an emphasis on biological explanations of cultural variation b. ethnocentrism c. an emphasis on shared customs and institutions d. an emphasis on the individual e. all of the above 2. Anthropologists generally consider cultural ...continues