The amount of matter after a change

a. equals the amount before a change.

b. is greater than the amount before a change.

c. is less than the amount before a change.

Does Protons and neutrons make up the nucleus of molecule

The blue coloration of the iris is due to what?

Roles of rna in protein synthesis in eukaryotes rna plays important roles in many cellular processes, particularly those associated with protein synthesis: transcription, rna processing, and translation.

Explain how hemispheres are divided

Osmosis is the diffusion of water across a selectively permeable membrane in which water moves from a solution containing a low concentration of solute to what kind of solution?

Sample Response: The sound of the drumstick hitting the metal bar will get to me in a shorter amount of time in Scenario 1.

A sedimentary rock containing a fern fossil was found. What does this tell about the area at the time the rock was formed? The area was hot. The area was covered by an ocean. The area was on land. The area was cold.

1. Which of the following statements best describe the difference between angiosperms and gymnosperms? A. Angiosperms produce cones to protect their seeds; gymnosperm seeds are surrounded by fruit. B.

If DNA polymerase is observed to pause as it is synthesizing genetic material from a template strand, this is likely the result of: (A) DNA polymerase encountering a "bulky lesion" on the template strand.

Do all social hazards result from an individuals lifestyle choice? Explain