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Although a total lactate dehydrogenase (LD) determination performed alone yields little information as to the area of tissue destruction, an electrophoretic separation of LD isoenzyme may be useful. With what disorder is an increase in LD-5 and LD-4 associated?

Duckweed is a/an  _________ type of plant.  This means that it occurs almost always (estimated probability >99 percent) under natural conditions in wetlands.

Match the number on the image to the name of the soil horizon.  Note: all horizons may not be present or visible in a given image.

Milk thistle are _______ plants. This means that they occur almost always (estimated probability >99 percent under natural conditions in non-wetlands)

Nannyberry is a/an_________ plant.  This means that it is equally likely to occur in wetlands or non-wetlands (estimated probability 34-66 percent).

Suppose you know the percentage of a soil’s minerals that are sand, silt, and clay.  Use the triangle below to determine the soil’s texture if those percentages are: Sand: 20 Silt: 60 Clay: 20

Anion or Cation? Sodium _[a]_ Potassium __[b]__ Bicarbonate __[c]__ Magnesium __[d]__

The most sensitive indicator of alcoholic liver disease is:

Which is the correct name of the bone indicated by the arrow?

The heart can bind these neurotransmitters released by the nervous system: (choose the best answer)