Describe the characteristics of the Phylum Platyhelminthes. Check all that apply.

_____ They are acoelomate.
_____ They are triploblastic.
_____ They have a complete digestive system.
_____ They exchange respiratory gases through the body wall.


__X__ They are acoelomate.
__X__ They are triploblastic.
_____ They have a complete digestive system.
__X__ They exchange respiratory gases through the body wall.

Biology & Microbiology

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Nitrogen mineralization is dependent on the ratio of nitrogen to carbon in the soil. Therefore, if you want to control the levels of nitrogen mineralization, it would be helpful to control soil levels of:

A. nitrogenase. B. phosphatase. C. ATP. D. organic matter.

Biology & Microbiology

The molecule shown above is the purine ____

a. thymine b. adenine c. uracil d. guanine e. cytosine

Biology & Microbiology

Glycolysis is utilized by cells in both respiration and fermentation

Indicate whether the statement is true or false

Biology & Microbiology

Which of the following is a subcutaneous mycosis?

A) tinea capitis. B) sporotrichosis. C) erysipelas. D) athlete's foot. E) Buruli ulcer.

Biology & Microbiology