37) A student is examining a single-celled photosynthetic protist that forms a double shell made from silica, Which of the following does this organism have?
a. DNA not bound in a membrane b. a chloroplast c. a lysosome d. a capsule surrounding its cell wall

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous

What are characteristics of minerals? select 3 choices