Peridotite, which is composed almost entirely of dark silicate materials and is believed to make up much of earths upper mantle, has a composition that is

The universal blood donor is o - since this blood type lacks the a, b, and rh antigens. a. True b. False

22 as a group discuss the opening analogy of an efficiency apartment and a mansion as it relates to cells. record your final consensus of how this analogy applies to cell structure

Baby's eyelids are partially open and eyelashes have formed. The baby is gaining weight, which is smoothing out many of the wrinkles in his or her skin. By now the baby might be nearly 10 inches long from crown to rump and weigh nearly 2 1/4 pounds.

The difference between simple diffusion and facilitated diffusion is that facilitated diffusion Can move materials from a higher to a lower concentration. Doesn't require ATP. Can move materials from a lower to a higher concentration. Requires ATP.

What shoes are enzymes folded into

Rhizobia are bacteria that live on the roots of some plants, such as legumes like pea plants. Rhizobia convert an element in the atmosphere into ammonia. Identify and explain the type of relationship this represents.

A scientist is carrying out replication of DNA artificially in her laboratory. What will she use to join the gaps on the DNA strand? (a.) the enzyme DNA polymerase (b.) the enzyme DNA ligase (b.) an artificial adhesive compound

Which part of an atom has most of its mass

One of the challenges of wind power is that the ___ of wind ___ day to day depending on weather conditions

How does the human brain interpret and render the surroundings and state of the body?