Which of the following molecules is NOT a

steroid?



a. testosterone
b. estrogen
c. glycerol
d. cholesterol
e. vitamin D


C

Biology & Microbiology

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A neurologist diagnosis a patient with damage to the hippocampus. This observation is consistent with the difficulties the patient reports with

A. forming memories of recent events. B. effectively coordinating movements once initiated. C. planning movements. D. maintaining a steady and regular heartbeat. E. perceiving tactile stimulation from different regions of their body.

Biology & Microbiology

Valves in veins assure that 

A. lymph will be formed. B. blood in veins must flow back to the heart. C. the flow of blood through veins is regulated. D. veins will not receive blood that is under too great a pressure.

Biology & Microbiology

Mosses produce large amounts of pollen

Indicate whether the statement is true or false

Biology & Microbiology

Activated thrombin makes this protein change

A) agglutinate B) plasmin C) prothrombin D) fibrinogen

Biology & Microbiology