What is the spinal cord encased in? Cerebrospinal fluid (CSF) surrounds the spinal cord, which is also shielded by three protective layers called the meninges (dura, arachnoid and pia mater). The spinal cord lies inside the spinal column, which is made up of 33 bones called vertebrae. What is the best protected part of the […]

How many significant figures are there in 23000? ROUNDING-OFF RULES Significant figures 5 4 2 23492 23490 23000 23538 23540 24000 23584 23580 24000 How many significant figures does the number 546.000 have? three sig figs How many significant figures are there in Avogadro number? ten significant digits How many significant digits are there in […]

What is routinely determined when anemia is suspected? Along with common symptoms, your doctor may suspect iron deficiency if you have signs of anemia during a physical exam. These signs include: Irregular heartbeat or heart sounds. Pale color of skin, gums or nail beds. An enlarged spleen or liver. How does RhoGAM prevent HDN? How […]

What is the structure of motility in euglena? Euglena move by a flagellum (plural ‚ flagella), which is a long whip-like structure that acts like a little motor. The flagellum is located on the anterior (front) end, and twirls in such a way as to pull the cell through the water. It is attached at […]

When discussing the origins of the sympathetic and parasympathetic? There are two types of sensory neurons: sympathetic neurons, which originate from dorsal-root ganglia found at the thoracic and lumbar levels; and parasympathetic neurons, which originate in the nodose ganglion of the vagus nerve or in dorsal-root ganglia at sacral levels S2–S4. When talking about the […]

What are proteins carbohydrates and lipids composed of? Types of biological macromolecules Biological macromolecule Building blocks Carbohydrates Monosaccharides (simple sugars) Lipids Fatty acids and glycerol Proteins Amino acids Nucleic acids Nucleotides What are carbohydrates and proteins made up of? Carbohydrates, proteins, and fats are digested in the intestine, where they are broken down into their […]

What is the effect of catalase on hydrogen peroxide? Catalase acts as the catalyzing enzyme in the decomposition of hydrogen peroxide. Nearly all living things possess catalase, including us! This enzyme, like many others, aids in the decomposition of one substance into another. Catalase decomposes, or breaks down, hydrogen peroxide into water and oxygen. How […]

How does Down syndrome affect personality? There are also reports of increased positive mood and predictability in behaviour in individuals with Down syndrome, supporting the more positive pleasant aspects of the personality stereotype, as well as reports of lower activity levels, less persistence, and more distractibility than other children, supporting the … What are the […]

What is the operon hypothesis? The Operon Hypothesis. Sounds like a Jason Bourne movie, but actually a theory about control of gene activity. In bacteria many genes have an “operator” region downstream of the promoter which affects transcription. The promoter is the region that binds the RNA polymerase. Which is an arrangement of genes consisting […]

Which of the following is a penalty for receiving a DUI? A first DUI carries $390 to $1,000 in fines plus a number of “penalty assessments” that can substantially increase the amount the driver has to pay. The total can be several thousand dollars or more. Jail. It’s possible for a first offender to receive […]