What does salt solution do in DNA extraction? The salt neutralizes the negative charges on the DNA and thus enables the DNA strands to stick together. It also causes proteins and carbohydrates to precipitate. Why is a saline solution used for isolating cheek cells? Why the salt water? In this protocol, the aim is to […]
What are the waves of the electronic spectrum?
What are the waves of the electronic spectrum? The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays. What type of wave is magnetic? Electromagnetic waves are waves that consist of vibrating electric and magnetic fields. Like other waves, electromagnetic waves transfer energy from one place to […]
Where did the horse originally come from?
Where did the horse originally come from? Horses originated in North America 35-56 million years ago. These terrier-sized mammals were adapted to forest life. Over millions of years, they increased in size and diversified. How the horse was created? The horse has evolved over the past 45 to 55 million years from a small multi-toed […]
What happened in 1989 with the Cold War?
What happened in 1989 with the Cold War? The Cold War finally came to an end in 1989 with the fall of the Berlin Wall and the collapse of the Communist regimes in Eastern Europe. What happened to the Soviet Union in 1989? Gorbachev’s decision to loosen the Soviet yoke on the countries of Eastern […]
How long is playtime at school?
How long is playtime at school? Playtime length at primary schools worldwide varies from just 15 minutes to over two hours, in school days that vary from 3.5 hours to over ten. The types of playgrounds children have varied worldwide, from hard courts to landscaped parks. Should kids have less school hours? Shorter school days […]
What do clump collective noun describe?
What do clump collective noun describe? 1. countable noun. A clump of things such as trees or plants is a small group of them growing together. How do you use clump in a sentence? Clump sentence example Its lofty site is now marked by a clump of trees. They hiked around a clump of cedar […]
How much do you get paid for taking care of animals?
How much do you get paid for taking care of animals? How Much Do Animal Caretaker Jobs Pay per Hour? Annual Salary Hourly Wage Top Earners $29,000 $14 75th Percentile $25,000 $12 Average $22,826 $11 25th Percentile $19,000 $9 How do I become a lab animal technician? To become an animal technician you usually have […]
What brand of oil does Ford recommend?
What brand of oil does Ford recommend? Motorcraft brand When it comes to picking a brand, nearly any brand of oil will do as long as it’s the correct weight; however, Ford does prefer that its customers use the Motorcraft brand of oil. What type of oil does a Ford Expedition take? The 2019 Ford […]
What are the benefits of accounting ratios?
What are the benefits of accounting ratios? It helps in determining how efficiently a firm or an organisation is operating. It provides significant information to users of accounting information regarding the performance of the business. It helps in comparison of two or more firms. It helps in determining both liquidity and long term solvency of […]
Who funded the expedition of Francisco Pizarro?
Who funded the expedition of Francisco Pizarro? In 1530, Pizarro, now sponsored directly by King Charles I, sailed back to South America with four of his brothers and several other family members. Pizarro and his crew would establish the first Spanish settlement in Peru at San Miguel de Piura. Which leader did Francisco Pizarro defend? […]