Wavelengths

Which type of visible light is made available for plants grown under the clear, red, green, or blue plastic? Describe how the type of light availability influences the growth of a plant?

Biology Multiple Choice

1. DNA contains all of the following molecules EXCEPT: * uracil guanine adenine deoxyribose phospate 2. In aerobic respiration, the final electron acceptor in the electron transport chain is: * NAD+ O2 H2O NADP+ H2 3. A macromolecule which consists of a polymer of amino acids: * glycogen cellulose protein tri ...continues

Effects of genetically modified organisms

I need help with the following, Biotechnology allows us to use living organisms or their processes for human needs or purposes. Research how biotechnology is used today. Describe one use of biotechnology do not use gene therapy, answering the following questions: What biotechnology application did you choose? Briefly d ...continues

Biology

1. Explain why a well-adapted organism synthesizes only the proteins necessary at any particular moment. 2. When radioactive uracil is injected into the developing larvae of Drosophilia, only certain regions of the chromosomes in certain tissues contain radioactive uracil. Explain this observation.

Comparing DNA of rodent and human genes

1. In the “DNA clock”, some nucleotide changes cause amino acid substitutions in the encoded protein (nonsynonymous changes), and others do not (synonymous changes). In a comparison of rodent and human genes, rodents were found to accumulate synonymous changes 2.0 times faster than humans and nonsynonymous substitutions 1.3 time ...continues

Explaining DNA

How is information about DNA structure used as a taxonomic tool? How does the morphological species concept differ from that of a phylogenetic species. How are DNA - DNA hybridization results used to classify organisms? What have "molecular clocks" to do with classification of organisms? Classify your self from kingd ...continues

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