A red pigment that stores oxygen for muscle use is 

At the pulmonary capillaries and alveoli during external respiration, which statement is true?

In regards to perfusion (blood flow in the pulmonary vessels), which statement is true?

Answer the following, use dilate or constrict. Where alveolar CO2 is high, bronchioles will [BLANK-1] Where alveolar CO2 is low, bronchioles will [BLANK-2] Where alveolar O2 is low, arterioles will [BLANK-3] Where alveolar O2 is high, arterioles will [BLANK-4]

Do you agree with James E. Faust who said “cheating in schools is a form of self-deception?”

When done, submit your answers. Before leaving the classroom, check with the instructor or a TA to confirm your exam was submitted and turn in any scratch paper.

 Which of the following statements about cancer is FALSE?

Which sequence of events CORRECTLY describes the initiation and elongation steps of translation in prokaryotic cells? (1) initiator tRNA binds start codon on mRNA (2) small ribosomal subunit binds to mRNA (3) large ribosomal subunit binds (4) tRNA entry and peptidyl transfer reaction (5) translocation of ribosome and release of tRNA

ERROR 2 ANSWER Your former high school teacher has asked for help grading exams. One of the students has drawn the following picture of DNA replication. One error you immediately notice is that topoisomerase is absent from the model. Identify FOUR additional errors in this depiction (3 points each), describe what missing or incorrect information is conveyed by that error (how the “model of/understanding of DNA replication” is affected) (1 sentence) (3 points each).  EXAMPLE ERROR Error identification: Topoisomerase is missing.Missing/Incorrect information implied by the error: An enzyme is not required to remove knots (or supercoils or kinks) from the DNA during replication. ERROR 2

 The core promoter in eukaryotes is usually composed of which two features?