In muscle innervation motor nerve fibers signal muscle movement from the region called the neuromuscular junction.
Answer the following statement true (T) or false (F)
True
It is true that in muscle innervation motor nerve fibers signal muscle movement from the region called the neuromuscular junction.
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How does the level of genetic variation in humans typically compare to other species?
A. higher than other species B. lower than other species C. about the same as other species D. not sure because we have been unable to accurately measure genetic variation in humans and other species
Answer the following statements true (T) or false (F)
1. Genes that are expressed only when needed are called constitutive genes. 2. Polysaccharides, polypeptides, and nucleic acids are all examples of polymers. 3. During translation, amino acids are “activated” by attaching to an appropriate rRNA molecule. 4. The peptide bonds that hold amino acids together in protein molecules are examples of covalent bonds. 5. In double-stranded DNA molecules, the two strands are held together by hydrogen bonds.
Describe the organization of a human chromosome
What will be an ideal response?
Boa constrictors on an island are an example of a(n) ______.
A. cell B. organ C. organism D. population E. ecosystem