Meiosis (rather than mitosis, which duplicates the cell)
Answer:
The apparent change in the frequency of sound due to the relative motion between the source and the observer is called the Doppler effect.
E.g: The apparent frequency of the whistle of a train increases as it. approaches an observer on the platform and decreases when the train passes the observer.Read more on Sarthaks.com what-is-the-doppler-effect-give-an-example
Description
Definition: Doppler Effect refers to the change in wave frequency during the relative motion between a wave source and its observer. It was discovered by Christian Johann Doppler who described it as the process of increase or decrease of starlight that depends on the relative movement of the star.
Description: Doppler Effect works on both light and sound objects. For instance, when a sound object moves towards you, the frequency of the sound waves increases, leading to a higher pitch. Conversely, if it moves away from you, the frequency of the sound waves decreases and the pitch comes down. The drop in pitch of ambulance sirens as they pass by and the shift in red light are common examples of the Doppler Effect.
Edwin Hubble made the discovery that the universe expands as a consequence of the Doppler Effect. It has important applications in the fields of astronomy and space technology.
Answer:
b. Enzymes always change their shape when they bind to a molecule.
d. An enzyme’s shape is related to the shape of the substrate it binds to.
Explanation:
Enzymes are proteins that are secreted by special cells in living organisms. They are the organic catalysts of biochemical reactions.
The role of the enzyme in the enzyme catalyzed reaction is to bring reactants together on its surface so as to have better interactions.
Enzymes have the capability to fit the substrate into an induced fit position.
The process by which enzymes change shape in a reaction is called the induced fit.
This way an enzyme holds the substrate tightly for the reactions to occur.
The medicare part B involves coverage for immunization, Seasonal flu, seasonal H1N1 flu, pneumococcal vaccine and Hepatitis B.
<u>Explanation:</u>
Medicare is a popular insurance coverage for elderly Americans that operates in 4 different modules the part A covers for inpatient expenses , part B covers outpatient expenses, the part C covers alternate medications and the part D covers medicine purchase for part C. All the coverage consists only commercially available vaccines. So the above given vaccines covers in the section of part B of Medicare.