Examlex
An object is placed 100 cm in front of a diverging lens of focal length -25 cm. A converging lens of focal length cm is placed 30 cm past the first lens. Where is the final image formed?
Active Sites
Areas on enzymes that serve as the site for substrate molecules to attach and participate in a chemical reaction.
Calcium Ion Blocking
The process or action of inhibiting the movement of calcium ions through channels, affecting muscle contraction and other physiological activities.
Sarcoplasmic Reticulum
A specialized type of smooth endoplasmic reticulum in muscle cells, involved in the regulation of calcium ions concentration.
Tropomyosin Molecule
A protein that wraps around actin filaments in muscle cells and regulates muscle contraction by controlling the access of myosin to actin.
Q13: In a two-slit experiment, the third bright
Q24: Special relativity tells us that<br>A)the speed of
Q25: What is the number of photons per
Q35: The objectives of two astronomical telescopes have
Q39: If the hydrogen atom is in the
Q42: In nuclear power plants, the nuclear energy
Q43: The ampere is defined<br>A)as a coulomb-second.<br>B)as 4π
Q61: A particle is moving in a circular
Q100: John is nearsighted and cannot see things
Q116: An object is placed 100 cm in