What do photosynthetic organisms often supply to their nonphotosynthetic partners in a mutalistic relationship?
a. sugars through nectar, fruit, etc.
b. protection
c. a place to live
d. a place to reproduce
e. essential minerals
a
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All of the following are cytokines except
A) interleukins. B) interferons. C) tumor necrosis factor. D) collectins.
In DNA replication, the leading strand of DNA ________, while the other newly forming strand, called the lagging strand, ________
A) is synthesized in the 5' ? 3' direction; the new DNA is synthesized in the 3' ? 5' direction B) is synthesized in the 3' ? 5' direction; the new DNA is synthesized in the 5' ? 3' direction C) does not require an RNA primer; an RNA primer is required D) is synthesized as a continuous chain; the new DNA is formed in a series of short, discontinuous fragments E) is synthesized in a series of short, discontinuous fragments; the new DNA is synthesized as a continuous chain
________ is a type of chronic obstructive pulmonary disorder, or COPD.
a. Pneumonia b. Apnea c. Bronchitis d. Lung cancer e. Emphysema
Which is an ncRNA that functions as a guide?
A. telomerase RNA component (TERC) B. ribosomal RNA (rRNA) C. microRNA (miRNA) D. x inactive specific transcript (Xist)