Embryology Topics

Information on Gametogenesis, reproductive organs and the sexual cycle, fertilization, cleavage and formation of the blastula, gastrulation and the establishing of germ layers.

Photosynthesis and Respiration

Cellular Respiration and Photosynthesis co-exist as paired processes. Photosynthesis converts light energy into organic molecules such as carbohydrates. These molecules are picked up and utilized as fuel sources in organisms that employ Cellular Respiration for production of ATP and CO2. Although it appears that Photos ...continues

Evolution and Heredity

Part I: Imagine you have a friend who is getting married and plans on starting a family right away. She asks your advice about preconception genetic screening because she is concerned about the chance that her future children could have cystic fibrosis. Her fiancé has a sister that has cystic fibrosis, and she has a cousin w ...continues

Many of water's unique properties...

1. Many of water's unique properties are the result of its polar covalent bonds, which allow water molecules to form hydrogen bonds with each other. What if water molecules instead had nonpolar covalent bonds? Make a list of hypothesis about the ways in which this change might affect the properites of water. Describe how eac ...continues

Muscle biopsies and functions of the cytoskeleton

3. If muscle biopsies (sample of tissue) were taken from the legs of a world-class marathon runner and a typical couch potato, which would you expect to have higher density of mitochondria? Why? How would the density of mitochondria in a muscle biopsy from the biceps of a weight lifter compare with those of the runner and th ...continues

Marine biology

Why do temperatures in the marine environment fluctuate within a much narrower range than the terrestrial environment?

Undergraduate Embryology

Need an overview of the following topics: - Extraembryonic membranes and placentation - Digestive system - Development of nervous system

2 Questions

1. More than a century ago, French biochemist Louis Pasteur described a phenomenon now called "the Pasteur effect," in the wine-making process. He observed that in a sealed container of grape juice containing yeast, the yeast will consume the sugar very slowly as long as oxygen remains in the container. As soon as the oxygen ...continues

2 Questions

3. Suppose an experiment is performed in which plant I is supplied with normal carbon dioxide but with water that contains radioactive oxygen atoms. Plant II is supplied with normal water but with carbon dioxide that contains radioactive oxygen atoms. Each plant is allowed to perform photosynthesis and the oxygen gas and suga ...continues

Alternative Medicine Proposal

Develop a proposal for an insurance company to convince them that they should cover services provided by Naturopathic and Homeopathic doctors. Your proposal should be a minimum of 4 pages (double space) and include the following: A description of naturopathy and homeopathy and known benefits. The specific medical condition ...continues