For the hierarchy of skeletal muscle organization, which accurately lists the order of structures from "small" to "big"?
A. sarcomere; myofibril; muscle fiber; motor unit
B. motor unit; sarcomere; muscle fiber; myofibril
C. myofibril; muscle fiber; sarcomere; motor unit
D. motor unit; myofibril; muscle fiber; sarcomere
E. None of the choices are correct.
Answer: A
You might also like to view...
Which one of the following statements about RNA is incorrect?
A. The nucleotide at the 5' end of an RNA molecule is typically a nucleoside triphosphate. B. RNA is usually found in double-stranded form, just like DNA. C. RNA molecules are typically shorter than DNA molecules. D. RNA molecules can form base pairs within a single strand. E. RNA molecules are capable of evolving their enzymatic activity over time.
The ________ codon is used as the start codon by nearly all organisms.
A) AUG methionine B) UGA arginine C) AUG cysteine D) UGA methionine
In general, there is about a ______ percent loss of energy as we proceed from one trophic level to the next higher level.
A. 90 B. 80 C. 60 D. 50
There are several properties that are characteristic of a soil in which typical plants would grow well. Of the following, which would be the least conducive to plant growth?
A) abundant humus B) numerous soil organisms C) compacted soil D) high cation exchange capacity