The hindgut (select all correct choices):
A. includes the large intestine.
B. includes the rectum.
C. is where water and minerals are
reabsorbed.
D. carries out secretory and absorptive
functions in the mucosa.
E. is innervated and vasculated in the
submucosa.
A,B,C,D,E
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True or false: Experiments generating simple molecules under conditions resembling that of early Earth demonstrate that the first cells are likely to be extremely similar to cells found today
A. true B. false
Which of the following is true of the leucine-zipper structural motif?
A. It contains several evenly spaced leucine residues that make specific DNA contacts. B. It is made up of a single alpha-helix. C. It is often used to mediate protein-protein interactions. D. It is only found in bacterial proteins.
The stramenopiles include water molds, diatoms, golden algae, and brown algae
____________________ Indicate whether the statement is true or false.
Which of the following is a function of a tRNA molecule?
A) recognizing the appropriate anticodons in mRNA B) transferring nucleotides to rRNA C) helping to translate codons into nucleic acids D) joining to only one specific type of amino acid