antage to the segmentation that is exemplified in the Phylum Annelida? Check all that apply.
_____ Vital structures are repeated in each segment.
_____ The annelid may still survive if one segment is damaged.
______ Locomotion is more efficient.
_____ Segments can be specialized.
_____ The importance of segmentation is unclear.
__X__ Vital structures are repeated in each segment.
__X__ The annelid may still survive if one segment is damaged.
__X__ Locomotion is more efficient.
__X__ Segments can be specialized.
_____ The importance of segmentation is unclear.
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Localized infections by pyogenic bacteria often form boils or abscesses
Indicate whether the statement is true or false.
Which two triose phosphates are produced during the Calvin cycle and are the starting points for starch and sucrose synthesis?
A) 3-phosphoglycerate and glyceraldehyde-3-phosphate B) dihydroxyacetone phosphate and glyceraldehyde-3-phosphate C) ribulose-1,5-bisphosphate and glycerol phosphate D) dihydroxyacetone phosphate and glycerate-1,3-bisphosphate E) 3-phosphoglycerate and ribulose-1,5-bisphosphate
Four of the five choices below are
characteristics of adaptive immunity. Select the EXCEPTION.
a. self/non-self recognition b. specificity c. diversity d. fever e. memory
Calcium is a mineral that plays an important role in ____
a. producing thyroid hormone b. nerve function c. intercellular signaling d. supporting the hemoglobin molecule
e. maintaining the cell membrane