In order for a ballerina to dance on point (on her toes), which set of muscles would she use?
A) Gastrocnemius and tibialis anterior
B) Gastrocnemius and soleus
C) Soleus and extensor digitorum longus
D) Tibialis anterior and externsor digitorum longus
Answer: B
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Stem cells located between the endomysium and sarcolemma that function in the repair of damaged muscle tissue are called
A) myocytes. B) satellite cells. C) endocytes. D) sarcocytes. E) creatinocytes.
Osteoid is the
A. organic part of the bone matrix that gives it rigidity. B. organic part of the bone matrix that gives it tensile strength. C. inorganic part of the bone matrix that gives it rigidity. D. inorganic part of the bone matrix that gives it tensile strength.
The term "central dogma of molecular biology" was coined by a co-discoverer of the structure of DNA, Francis Crick. The term is used to define how information flows in biological systems. Which of the following statements about DNA, mRNA and proteins provide a simple definition of the "central dogma?"
A)mRNA can be copied into DNA to make protein. B)Proteins can provide the instructions for making other proteins. C)mRNA is a key in creating DNA. D)DNA allows the production of mRNA. mRNA allows for the production of protein.
Which of the following connects the ampulla of the ductus deferens with the urethra?
A) ureter B) ejaculatory duct C) rete testis D) epididymis E) seminal vesicles