I think I understand the Theory of Evolution proposed by Charles Darwin. However, I would benefit by a timeline of the key players in evolutionary thought over the last 300 years. Can you provide me with this type of timeline?
Multiple Choice Quiz in Biology
Biology Quiz: Energy, Enzymes, and Catalysis 1. Which statement about enzyme catalyzed reactions is NOT true? A. Enzymes form complexes with their substrates. B. Enzymes lower the activation energy for chemical reactions. C. Enzymes change the K eq for chemical reactions. D. Many enzymes change shapes slightly when sub ...continues
Energy and the Laws of Thermodynamics
What is energy? Describe the two laws of Thermodynamics and give several examples.
Entropy and how life maintains a high degree of organization
Entropy is a measure of the degree of randomness or disorder of systems. Explain how life maintains a high degree of organization (include concepts such as energy, the laws of Thermodynamics, potential and kinetic energy, etc.).
Nutrition - Food Guide Pyramid
Help with paper containing one-paragraph answers to each of the following questions: a - How does the Food Guide Pyramid assist individuals wanting to plan a healthy daily menu? b - What are some of the advantages of using the Food Guide Pyramid? c - What are some criticisms of using the Food Guide Pyramid d - In ...continues
Molecular Genetics of Prokaryotes.
1. Which of the following is not part of the lac operon of E. coli? A. genes for inducible enzymes of lactose metabolism B. genes for the repressor, a regulatory protein C. gene for RNA polymerase D. a promoter, the RNA polymerase binding site E. the operator, the repressor binding site 2. (The role of the inducer of t ...continues
Molecular Biology (Nucleic Acids and the Genetic Material) Multiple Choice
1. Which scientists first gave experimental evidence that DNA is the genetic material? A Avery, MacLeod, and McCarty who repeated the transformation experiments of Griffith, and chemically characterized the transforming principle. B Garrod, who postulated that Alcaptonuria, or black urine disease, was due to a defective enz ...continues
What are Endoplasmic Reticulum and what do they do?
The Centrosome and the Centrioles in Plant and Animal Cells
Do the Centrosome and the Centrioles of the cells act the same in both plants and animals? What are the similarities and differences between animal and plant cells?
Which statistical test should I use?
Im working on an experiment for my A level course (UK) that will determine the effects of different respiratory substrates on yeast population growth. Im using 4 sugars; fructose, glucose, sucrose and lactose. Using a haemocytometer I'll find the size of the yeast population before the sugar is added and the growth 1 week afte ...continues