Which of the following possess an incomplete
digestive system?
a. annelids
b. flatworms
c. mollusks
d. arthropods
e. echinoderms
Answer: b
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A) Modified root, pneumatophore B) Root, lateral root C) Modified stem, stolon D) Modified stem, tuber
Which of the following techniques is used to test for genetic diseases such as fragile X syndrome?
A. RNA-Seq B. ChIP-Seq C. PCR D. Western blotting E. immunoprecipitation
What type of bonding is likely to occur between two water molecules or strands of DNA?
A. covalent B. ionic C. hydrogen D. both hydrogen and covalent E. both hydrogen and ionic
Reabsorption is the movement of substances from the ________ to the ________
A) blood... nephron B) filtrate... blood C) kidney... urinary bladder D) blood... filtrate