(Drag each label to the correct location on the image.) Label the steps of protein synthesis and the organelles involved in each step.

-newly synthesized proteins are transported
-DNA is transcribed into mRNA
-endoplasmic reticulum
-Golgi apparatus
-ribosome
-mRNA is translated into proteins
-proteins are modified, then transported away
-nucleus

According to the cladogram, which organisms have roundworms as a common ancestor?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.