Which of the following is a true statement? A. Magma and lava form sedimentary rocks

B. Lava cools off to form magma

C. Magma and lava are two type of metamorphic rock

D. Magma is called lava after it emerges from the ground

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

How does photosynthesis show the conservation of mass and energy?