It has been suggested that increases in ground-level UV-B, as a result of stratospheric ozone depletion, may have major deleterious effects on crop photosynthesis and productivity. The direct consequences of such effects have been projected by some as a world-wide decrease in crop yields of 20-25%. How does UV radiation affect the biological system? Excessive…

Clinical Death is when your heart stops pumping blood. Without CPR, Biological Death begins to set in about 4-6 minutes later. Biological Death is where the victim’s brain is damaged and cells in the victim’s heart, brain and other organs die from a lack of oxygen. What makes clinical and biological death different quizlet? What…

Students who are interested in becoming a radiologist should begin their education by majoring in a subject such as chemistry. Different medical schools have different requirements for admission, but most students will need chemistry (including organic chemistry), physics, biology, and English at a minimum. What undergraduate degree is best for radiology? Biology. Physics. Chemistry. Math.…

He identified five dimensions or ‘problem areas’ which represent differences among national cultures (Hofstede, 1997): power distance, uncertainty avoidance, individualism/collectivism, masculinity/femininity and long-term orientation. What are the dimensions of Hofstede’s model? Geert Hofstede, in his pioneer study looking at differences in culture across modern nations, identified four dimensions of cultural values: individualism-collectivism, power distance, uncertainty…

The biological approach believes behavior to be as a consequence of our genetics and physiology. It is the only approach in psychology that examines thoughts, feelings, and behaviors from a biological and thus physical point of view. Therefore, all that is psychological is first physiological. Why is the study of biological processes important to understanding…

Individual organisms don’t evolve. Populations evolve. Because individuals in a population vary, some in the population are better able to survive and reproduce given a particular set of environmental conditions. What is evolution in a biological sense? Definition: Biological evolution is change in the heritable characteristics of a population over succeeding generations. In more technical…

What is water potential in AP biology? Water potential is a measure of the differences in potential energy between a water sample with solutes and pure water. Water moves via osmosis from an area of higher water potential (more water molecules, less solute) to an area of lower water potential (less water, more solutes). How…

Synthetic biology enables Life Technologies to design, synthesize, test and deploy antigens and variants with rapid results, high expression and capacity. It also enables Life Technologies to develop immunogens engineered for efficacy and high titer and produce rapid assays for purification of the immunogens. What are the risks of synthetic biology? However, the research and…

The biological species is the largest unit of population in which successful interbreeding is possible. Biological species are the model used for grouping extinct forms of life. Two species of frogs belonging to the same genus occasionally mate, but the offspring fail to develop and hatch. What is the problem with the biological species concept?…

A Biological Assessment also may be recommended for other activities to ensure the agency’s early involvement and increase the chances for resolution during informal consultation. Biological Evaluation is a generic term for all other types of analyses. What is included in a biological assessment? A biological assessment is an evaluation of the condition of a…

According to a meta-analysis on data from 24 genetically informative studies, up to 50% of the total variance in aggressive behavior is explained by genetic influences. What causes males to be aggressive? Testosterone activates the subcortical areas of the brain to produce aggression, while cortisol and serotonin act antagonistically with testosterone to reduce its effects.…

The Doctoral Hooding Ceremony is held at the end of each semester. This event is different and separate from the Commencement Ceremonies which are held only in the Spring and Fall semesters. In the hooding, doctoral candidates are celebrated and hooded by their Supervising Professor and Dean on stage. What is the difference between commencement…

Culture is by far our primary method for adapting to the environment today. Culture allowed our ancestors to thrive and spread into new areas. Humans first lived in the tropics and were physically adapted for a warm climate. In fact, in terms of their biology, humans are still tropical animals. How do humans adapt to…

The biological species concept defines species in terms of sexual reproduction, so it does not apply to asexual organisms like prokaryotes or self-fertilizing organisms like parasitic tapeworms. Who does the biological species concept apply to? The biological species concept defines a species as a group of individuals living in one or more populations that can…

Some intersex people have genitals or internal sex organs that fall outside the male/female categories — such as a person with both ovarian and testicular tissues. Can a human have both male and female parts? Such conditions are extremely rare in humans. In ovotesticular disorder (sometimes also called true hermaphroditism), an individual has both ovarian…

Gender refers to the characteristics of women, men, girls and boys that are socially constructed. This includes norms, behaviours and roles associated with being a woman, man, girl or boy, as well as relationships with each other. As a social construct, gender varies from society to society and can change over time. Is race biological…

The DHS Countering Weapons of Mass Destruction Office (CWMD) works to prevent attacks against the United States using a weapon of mass destruction (WMD) through timely, responsive support to operational partners. How does Radiation Portal monitor work? How do they work? As the name suggests, Radiation Portal Monitors are set up like portals that any…

Causes of Foodborne Illness Bacteria and viruses are responsible for most foodborne illnesses. Biological hazards are the biggest threat to food safety. They can be inherent in the product or due to mishandling (e.g., time/temperature abuse). Chemical hazards include natural toxins and chemical contaminants. Is foodborne illness caused by biological hazards? Bacteria, viruses, and parasites,…

Are all the Gilbert siblings adopted? Melissa Gilbert and Jonathan Gilbert at home Both Melissa and Jonathan were adopted by actors Paul Gilbert and Barbara Crane. In her memoir, Prairie Tale, Gilbert opened up about the ups and downs of their lives at home. In 1976, Paul and Crane got divorced. Is Willie Oleson and…

Examples of biological hazards include Salmonella, E. coli and Clostridium botulinum. Chemical hazards vary in the aspect of production they are related to. Some potential chemical hazards could be prior to a processor receiving product, such as the improper use of pesticides or antimicrobial residues. What are the substance that is considered as dangerous? Dangerous…