Question: Red blood cells discovered in the plasma of mammals do not contain a nucleus. List all the possible benefits and limitations imposed on these cells by not having a nucleus. Question: There is a metabolic pathway in animal cells: A-B-C-D The overall delta G for this pathway is found to be […]

Which of the following scenarios provides the best example of the edge effect? (2 points) An oil spill causes the middle of a bay to become uninhabitable, pushing the organisms living there to the perimeter. A road bisecting a forest forces many organisms to retreat to the outlying trees, where […]

In the News URL: http://news.sciencemag.org/health/2015/01/what-does-measles-actually-do Title: What does the measles actually do? Author: David Shultz Published: January 30, 2015 on Science Magazine.org After reading the article, please answer the following questions. Note that each question is worth three points. To earn full credit you need to write your answers in […]

1. Which of the following are adaptations to land of both gymnosperms and angiosperms but are lacking in ferns and mosses? A) sporesB) true roots, stems, and leavesC) fruits and flowers D) pollen and seedsE) vascular system 2. Mammals have two traits that set them apart from all other animals. […]