Which part does the vertebral column protect? The spinal cord is protected by bones, discs, ligaments, and muscles. The spine is made of 33 bones called vertebrae. The spinal cord passes through a hole in the center (called the spinal canal) of each vertebra. Between the vertebrae there are discs that act as cushions, or […]

What is the difference between Graves disease and Hashimoto thyroiditis? Hyperthyroidism in Graves’ disease is caused by thyroid-stimulating autoantibodies to the TSH receptor (TSHR), whereas hypothyroidism in Hashimoto’s thyroiditis is associated with thyroid peroxidase and thyroglobulin autoantibodies. What is Hashimoto’s disease or Graves disease? Hashimoto’s disease is a condition in which your immune system attacks […]

What animals dont have gallbladders? Several species of mammals (including horses, deer, rats, and laminoids), several species of birds, lampreys and all invertebrates do not have a gallbladder . Do lions have gallbladder? Cats, lions, humans and goats all have gall bladders. Why gallbladder is absent in horse? you actually needed to know: Horses don’t […]

How is algae used for energy? Algae store energy in the form of oils and carbohydrates, which, combined with their high productivity, means they can produce from 2,000 to as many as 5,000 gallons of biofuels per acre per year. Can algae be solution? Algae can be utilized in a number of ways to reduce […]

What bonds form and hold the DNA together? The hydrogen bonding between complementary bases holds the two strands of DNA together. Hydrogen bonds are not chemical bonds. They can be easily disrupted. This permits the DNA strands to separate for transcription (copying DNA to RNA) and replication (copying DNA to DNA). What are the hydrogen […]

What is the function of peroxisomes quizlet? Responsible for producing and breaking down hydrogen peroxide. Also responsible for breakdown of fatty acids, detoxification, and synthesis of cholesterol, bile acids, and myelin. What happens in a peroxisome? Peroxisomes break down organic molecules by the process of oxidation to produce hydrogen peroxide. This is then quickly converted […]

Why does Phototropism happen in plants? Phototropism is the growth of an organism in response to a light stimulus. The cells on the plant that are farthest from the light have a chemical called auxin that reacts when phototropism occurs. This causes the plant to have elongated cells on the furthest side from the light. […]

What change should Lucia make? What change should Lucia make? She should change the length of each vector that is tangent to the circle so that it is the same as the vector pointing toward the center at that point. What changes constantly in uniform circular motion? Velocity of the body changes continuously in uniform […]

How is a blastocyst formed? In humans, blastocyst formation begins about 5 days after fertilization when a fluid-filled cavity opens up in the morula, the early embryonic stage of a ball of 16 cells. The blastocyst has a diameter of about 0.1–0.2 mm and comprises 200–300 cells following rapid cleavage (cell division). Which is better […]

What causes particles to attract? Gravity is the force that all objects with mass exert upon one another, pulling the objects closer together. These forces can cause one particle to attract, repel, or even destroy another particle. What determines whether charges attract or repel? Like charges repel each other; unlike charges attract. Thus, two negative […]