Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.

This macromolecule is broken down to make ATP to quickly provide energy

During a total solar eclipse, you observe a red ring in the sky. Which part of the Sun are you seeing?

Some precipitation that falls to Earth gets soaked up by soil. This water is referred to as

Which of the following hormones increases and prolongs effects of the sympathetic nervous system? A) cortisol B) parathyroid hormone C) insulin D) growth hormone E) acetylcholine

Why are cheetah's fast?

The nurse is planning care for an older client with respiratory acidosis. Which intervention should the nurse include in this client's plan of care? A) Administer prescribed intravenous fluids carefully. B) Administer intravenous sodium bicarbonate.

Which layer of the sun is hottest

Transport protein that provides a tube-like opening in the plasma

While collecting samples of rocks, a scientist collects several that contain fossils. What is most likely the type of rock in the scientists sample? a. Metamorphic Rock b. Igneous Rock c. Sedimentary Rock d. Mineral Rock

What type of model uses molded clay, soil, and chemicals to simulate a volcanic eruption?