Hemoglobin

A) gives white blood cells their color.
B) transports O₂ in the blood.
C) is normally found in both the plasma and erythrocytes.
D) catalyzes the reaction that forms carbonic acid.
E) is only used once then decomposed.

When glucose is metabolized in the absence of oxygen, one of the end products is ________.

A) pyruvate
B) ketone bodies
C) lactate
D) citric acid
E) nitric acid

The ____ develops into a corpus luteum.

A) zona pellucida
B) uterine wall
C) primary oocyte
D) secondary oocyte
E) follicle

In the lysogenic pathway of the accompanying figure, the viral DNA ____.

A) has been destroyed
B) is integrated into the bacterial chromosome
C) has been copied and changed to bacterial DNA
D) is no longer present
E) has been transcribed into RNA

Concentric contractions occur when

A) the muscle produces increasing tension as it shortens.
B) the tension and length of the muscle remain constant during a contraction.
C) tension in a muscle is maintained while the muscle increases in length.
D) the muscle produces tension while the length of the muscle increases.
E) isometric contractions occur.

Which of the following is considered a substantive change proposed to improve the NLRA?

A) Increasing penalties for violating the NLRA
B) Changing the election process to a card check process
C) Reducing delays in NLRA decisions by clamping down on legal challenges
D) Repealing or abolishing the NLRA