CATHODE RAYS CAUSES AN OBJECT PLACED BEHIND A PERFORATED ANODE TO CAST A SHADOW ON THE SCREEN. THIS OBSERVATION SHOWS THAT THE RAYS
A. are positively charged B. are negatively charged C. have mass D. travel in straight lines ✓ The answer to the question is: D. travel in straight lines The observation that cathode rays cause an object placed behind a perforated anode to cast a…
THE MAIN MOTIVE BEHIND IMPERIALISM HAS BEEN AFORETIME CATEGORISED AS PRIMARILY
A. to colonise less developed states B. the socio-economic transformation agenda for Africa C. to expand socio-cultural territories of the Western powers D. being to obtain and control a supply of raw materials for industries ✓ The answer to the question is: D. being…
THE SCIENCE BEHIND EXOCRINE GLANDS
Definition of Glands Glands are specialized organs that produce and secrete substances that are important for various bodily functions. These substances can be hormones, enzymes, or other types of molecules that help regulate various physiological processes. Glands are found throughout…
THE REMARKABLE STORY BEHIND SANITATION SYSTEMS
The concept of sanitation systems dates back to ancient civilizations, but the modern development of sanitation systems can be attributed to several key individuals and advancements. One of the earliest known instances of organized sanitation systems can be traced back…
THE SCIENCE BEHIND SKELETAL MUSCLE DEVELOPMENT
The development of skeletal muscle is a complex and highly regulated process that occurs during embryonic development. It involves the differentiation and fusion of myoblasts, which are the precursor cells of skeletal muscle fibers. This process is tightly controlled by various…
THE SCIENCE BEHIND FLAPS AND TISSUE EXPANDERS IN PLASTIC SURGERY
Flaps versus Grafts A flap in medical terms refers to a piece of tissue that is transferred from one part of the body to another, while maintaining its blood supply. Flaps are commonly used in reconstructive surgery to repair defects…
THE SCIENCE BEHIND PATHOLOGIC CALCIFICATION
Pathologic calcification, also known as metastatic calcification or dystrophic calcification, is a condition where calcium deposits form in abnormal locations within the body, leading to the development of calcified tissue. This condition can occur in various diseases and disorders, including…
THE SCIENCE BEHIND PURINE METABOLISM
Purine Synthesis Biochemical Steps Purine synthesis is a biochemical pathway responsible for the de novo synthesis of purine nucleotides, which are essential components of DNA, RNA, and ATP. The pathway involves a series of enzymatic reactions that convert simpler molecules…
THE SCIENCE BEHIND HEART DEVELOPMENT
Introduction The human heart is a vital organ that is responsible for pumping blood throughout the body. It is located in the chest, slightly to the left of the sternum (breastbone) and is approximately the size of a fist. The…
THE SCIENCE BEHIND BLOOD CULTURE TECHNIQUES
Introduction Blood culture is a laboratory test used to detect the presence of microorganisms in a person’s blood. It is a critical diagnostic tool for diagnosing bloodstream infections or sepsis, which can be life-threatening if not treated promptly. There are…