The protein actin is found in the:
A) thin filaments. B) nucleus. C) thick filaments. D) membrane.
Answer: A
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Water has an unusually high boiling point for its molecular weight because water molecules
a. are very dense. b. get much heavier as they are heated. c. are held to each other by hydrogen bonds. d. are held together by covalent bonds. e. form hydration layers.
Which group of arthropods can be distinguished from other groups by its two pairs of antennae?
a. insects
b. millipedes c. chelicerates d. crustaceans e. trilobites
Splicing of mRNA removes which of the following?
a. promoter b. nucleotide cap c. introns d. transcript e. exons
If someone wants to eat lots of carbohydrates in preparation for running a marathon, that person could
A. eat lots of sugars B. eat lots of polysaccharides C. all of these answers are correct D. eat lots of monosaccharides