Which describes the movement of cells? Cell movement or motility is a highly dynamic phenomenon that is essential to a variety of biological processes such as the development of an organism (morphogenesis), wound healing, cancer metastasis and immune response. In all these examples, cells reach their target by crawling. What describes simple diffusion? In biology, […]
When someone says you have a lot of potential?
When someone says you have a lot of potential? Don’t you just love it when someone says, “You have potential.” What does that really mean? It means you have the ability to pursue and conquer anything you put your mind to. It means you have gifts and talents dormant waiting to be manifested. What is […]
What is the difference between thermal energy and temperature and heat?
What is the difference between thermal energy and temperature and heat? What is the difference between temperature, thermal energy, and heat? The term temperature refers to the average amount of heat or the motion energy of particles in a substance. It measures the hotness and coldness of a substance. Thermal energy is the total motion […]
What is the difference between the bell and the diaphragm of a stethoscope?
What is the difference between the bell and the diaphragm of a stethoscope? The bell effect is created by light pressure on the stethoscope. Firm pressure makes the stethoscope behave like it should with a diaphragm. The difference between the diaphragm and the bell is that the bell allows low frequency sounds, which permits hearing […]
What happens to form an ionic bond quizlet?
What happens to form an ionic bond quizlet? An ionic bond is the force of attraction that holds together oppositely charged ions. It forms when atoms of a metal transfer electrons to atoms of a nonmetal. When this happens, the atoms become oppositely charged ions. As a result, ionic compounds are brittle solids with high […]
What nationality has type A blood?
What nationality has type A blood? According to the American Red Cross, the following statistics show the most common blood types in the U.S.: African American: 47% O-positive, 24% A-positive, and 18% B-positive. Latin American: 53% O-positive, 29% A-positive, and 9% B-positive. Asian: 39% O-positive, 27% A-positive, and 25% B-positive. Does blood type determine fertility? […]
Why can psychology be considered a science?
Why can psychology be considered a science? Psychology is a science because it follows the empirical method. The scientific status of any endeavor is determined by its method of investigation, not what it studies, or when the research was done, and certainly not by who did the investigation. All sciences use the empirical method. What […]
Who is known as the father of modern astronautics?
Who is known as the father of modern astronautics? For his ideas, careful research, and great vision, Tsiolkovsky has been called the Father of Modern Astronautics. Early in the 20th century, an American, Robert H. Goddard (1882-1945), conducted a variety of practical experiments in rocketry. When did Russia put a man in space? A Is […]
What was early Autotroph called?
What was early Autotroph called? Photoautotrophs What is an example of an Autotroph? Algae, along with plants and some bacteria and fungi, are autotrophs. Autotrophs are the producers in the food chain, meaning they create their own nutrients and energy. Kelp, like most autotrophs, creates energy through a process called photosynthesis. Why are humans referred […]
How do I make sure everyone has clean water?
How do I make sure everyone has clean water? 5 ways to improve water quality and access to water Improve sanitation facilities by providing toilets and latrines that flush into a sewer or safe enclosure. Promote good hygiene habits through education. Implement rainwater harvesting systems to collect and store rainwater for drinking or recharging underground […]