Keisya

Projection of a vector onto a plane is a fundamental linear algebra operation involving four entities: a vector $\vec{v}$, a plane $\Pi$, the projection vector $\vec{w}$ onto the plane, and the normal vector $\vec{n}$ of the plane. Vector Spaces: A Real-World Guide to Vectors, Planes, and Beyond Buckle up, my fellow knowledge seekers! Today, we’re … Read more

Catalysts, substances that enhance the rate of a chemical reaction without being consumed, are often associated with enzymes. Enzymes, a subset of catalysts, are protein molecules that facilitate specific biochemical reactions in living organisms. However, not all catalysts are enzymes, as inorganic molecules and metal ions can also act as catalysts. The distinction between these … Read more

An improper fraction is a fraction where the numerator is larger than the denominator. To convert an improper fraction to a proper fraction, follow these steps: 1. Find the whole number 2. Find the numerator of the proper fraction 3. Find the denominator of the proper fraction 4. Write the proper fraction as a mixed … Read more

Polarity, hydrogen bonding, electronegativity, and solubility are key factors that determine the solubility of covalent bonds in water. Polarity refers to the uneven distribution of electrons in a molecule, creating a positive and negative end. Hydrogen bonding occurs when a hydrogen atom is bonded to a highly electronegative atom, such as oxygen or nitrogen, resulting … Read more

Diverging lenses and concave mirrors are both optical devices used to manipulate light. Lenses are typically composed of a transparent material, such as glass or plastic, and have a curved surface on at least one side. Mirrors, on the other hand, are typically made of a reflective material, such as silver or aluminum, and have … Read more

Matter, energy, the physical universe, and chemical reactions are closely intertwined in the principle that “matter is neither created nor destroyed, only changed in form.” Matter, composed of particles, serves as the building blocks for all physical entities. Energy, in various forms, interacts with matter, causing changes in its structure or behavior. The physical universe … Read more

The digestive system, a complex network of organs working together to break down and absorb nutrients, is responsible for extracting energy from food. This crash course will provide a comprehensive overview of the digestive system, covering its structure, function, and the important role of enzymes, bacteria, and hormones in the digestion process. The Human Digestive … Read more

Parallel to the y axis refers to a line or plane that runs vertically, never intersecting the y-axis. It is a fundamental concept in mathematics, physics, and engineering. Parallel lines to the y-axis are equidistant from it at all points and share the same slope, which is undefined. These lines are often used as reference … Read more

Suspension feeders are creatures that utilize a specialized feeding mechanism to collect food particles from water currents. These organisms, which include bivalves, barnacles, sea squirts, and jellyfish, filter out suspended organic matter from the water column. Bivalves, such as clams and oysters, possess gills that are lined with mucus, trapping food particles and directing them … Read more

Membrane-bound organelles are compartments found within eukaryotic cells that are enclosed by a lipid bilayer. These organelles include the nucleus, mitochondria, endoplasmic reticulum, and Golgi apparatus, among others. Each organelle has a specific set of functions that are essential for cell survival. Cell Organelle Essentials: The Who’s Who in Your Body’s Powerhouses Hey there, cell-curious … Read more