Q: Hemoglobin is a large molecule made up of proteins and iron. it consists of four folded chains of a protein called this? Choices: - peptide - histone - insulin - globin A:
globin

(Question)
Q: What carries blood away from the heart? Choices: - veins - pores - capillaries - arteries A:
(Answer)
arteries

Ques: Q: The elements in group 2 are called what? Choices: - halogens - metal alloys - noble gases - alkaline earth metals A:
Ans: alkaline earth metals

(Q).
Q: The plasma membrane pulls away from the cell wall as it shrivels. what is this process called? Choices: - sporozoans - fluctuations - osmosis - plasmolysis A:
(A).
plasmolysis

Ques:Q: What is the white solid that forms on corroded battery terminals? Choices: - ammonia sulfate - copper sulfate - straight sulfate - lead sulfate A:

Ans:lead sulfate

Ques: Q: What is the name of the the most efficient possible engine? Choices: - excitation engine - diesel engine - ventilation engine - carnot engine A:
Ans:
carnot engine