Do humans have Z-DNA? Z-DNA, also known as left-handed DNA, is different from the more familiar right-handed B-DNA. Until recently, the role of Z-DNA in humans was a mystery. The unique structure of the DNA double helix is one of the most recognisable images in biology. Most of the DNA in our cells takes the […]
Is ego part of the mind?
Is ego part of the mind? According to Freud psychoanalytic theory, the id is the primitive and instinctual part of the mind that contains sexual and aggressive drives and hidden memories, the super-ego operates as a moral conscience, and the ego is the realistic part that mediates between the desires of the id and the […]
What are two ways to find the density of an object?
What are two ways to find the density of an object? Using a pan balance, determine and record the mass of an object in grams. Using a vernier caliper or ruler, measure the length, depth and width of the object in centimeters. Multiply these three measurements to find the volume in cubic centimeters. Divide the […]
Who invented our time system?
Who invented our time system? The Babylonians made astronomical calculations in the sexagesimal (base 60) system they inherited from the Sumerians, who developed it around 2000 B.C. Although it is unknown why 60 was chosen, it is notably convenient for expressing fractions, since 60 is the smallest number divisible by the first six counting numbers […]
How do you calculate weight when given mass?
What happens if groundwater levels are abnormally decreased?
What happens if groundwater levels are abnormally decreased? Large bodies of water will become more shallow from groundwater depletion. A groundwater shortage keeps additional water from flowing into lakes, rivers and seas. This means that over time, less water will enter as the existing surface water continues to evaporate. For what purpose does most of […]
Which of the following is true for both starch and cellulose?
Which of the following is true for both starch and cellulose? Answer: Option A. Explanation: Starch and cellulose are polymers of glucose and are formed by monomers of glucose joined together. Starch is formed from alpha glucose, cellulose is formed from beta glucose. Which of the following statement is right cellulose are linear? Cellulose are […]
Which human practice can cause flooding?
Which human practice can cause flooding? Human activities that degrade the environment often increases flooding. These activities include: Deforestation. The lack of vegetation encourages water to flow over the surface rather than infiltrate into the soil thus increasing surface runoff. How does flooding affect human health? Health effects observed during and after floods include injuries, […]
What do archer fish eat?
What do archer fish eat? insects How do I get rid of bluegills in my pond? Populations of crowded bluegill may be reduced by the use of rotenone around the shoreline during spawning (water temperatures of approximately 75 degrees F). However, complete pond renovation may be the only effective method of removing a stunted bluegill […]
How do you thank someone for military service?
How do you thank someone for military service? I am sincerely grateful for your service and sacrifice. Thank you for your service! I’m certain it comes with many sacrifices and I thank you and your family each and everyday. Words are not enough to express the gratitude I hold in my heart for our veterans. […]