What is the function of villi and microvilli in the small intestine?
What will be an ideal response?
ANSWER: The mucosa of the small intestine has villi and microvilli as adaptations to greatly increase
surface area for absorption.
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All the following utilize detritus for food except
a. filter-feeders. b. grazers. c. suspension-feeders. d. detritus-feeders.
Sometimes the DNA marker allele and a QTL occur together more frequently than would otherwise be expected, either because they interact or because of natural selection. What term describes this?
What will be an ideal response?
Which process is carried out by the spliceosome?
A) exon removal B) intron removal C) transcription D) translation E) DNA replication
Which is a possible source of genetic variation during meiosis?
A. mitosis B. crossing-over C. DNA replication D. protein synthesis