Biochemical reactions that combine molecules are called ________
a. electron transfer
b. cleavages
c. condensations
d. rearrangements
c
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Which of the following statements describes the hypothesis proposed to explain the regular arrangement of leaves around the stem?
A. Primordia are pre-programmed to grow in a set arrangement. B. Primordia are unable to communicate. C. Chemical signals from developing leaf primordia create regions preventing new primordial growth. D. Developing leaf primordia physically block new primordial. E. We do not currently have a hypothesis to explain how these growth patterns occur.
The most common method used by clinical microbiology labs for identifying bacteria are ________.
A. biochemical B. DNA fingerprinting C. morphological D. PCR
Which of the following is a synapomorphy that defines all green algae and land plants?
A. Cell walls B. Vascular tissue C. Photosynthetic chloroplasts D. Seeds
While walking along a riverbank after a swim, you step on a sharp fruit. When you pick it up, you notice that it rattles, which indicates there is an air pocket around the seeds. How is this fruit most likely dispersed?
A) Explosively propelled B) Being eaten by animals C) Wind D) Clinging to animals E) Water