You are given a new animal species to study. You note that it possesses segmentation. Knowing only that it is segmented, which of these are segmented? Check all that apply.

_____ Cnidaria.
_____ Arthropoda.
_____ Chordata.
_____ Annelida.
_____ Platyhelminthes.


_____ Cnidaria.
__X__ Arthropoda.
__X__ Chordata.
__X__ Annelida.
_____ Platyhelminthes.

Biology & Microbiology

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During transcription of mRNA in eukaryotes, some sequences are cut out of the primary transcript and the remaining sequences are joined together. This processing of mRNA is called _________.  

A.  termination B.  translation C.  splicing D.  capping E.  elongation

Biology & Microbiology

During an action potential, sodium ions move into the cell through ____

a. leaky channels b. glial cell extensions c. transport pumps d. gated channels e. osmosis

Biology & Microbiology

When bacteria in the bloodstream invade the bones, this leads to a painful condition called (endocarditis/osteomyelitis/lymphangitis)

What will be an ideal response?

Biology & Microbiology

Fermentation of organic compounds, such as acetate, produces NADH and ATP

Indicate whether the statement is true or false.

Biology & Microbiology