When a muscle contracts, the H band almost disappears.
Answer the following statement true (T) or false (F)
True
The H band is the area in the center of the sarcomere that almost disappears when the muscle contracts.
You might also like to view...
Each replication fork requires both leading and lagging strand synthesis because
A. DNA synthesis must be complementary. B. DNA polymerases can only synthesize DNA 3' to 5'. C. the DNA templates are antiparallel and yet the DNA polymerases only work in one direction. D. the helicase unwinds one strand faster than the other. E. All of these choices are correct.
In a sequence of infections, the first infection that predisposes the patient to further infection is called the _______ infection
Fill in the blank(s) with the appropriate word(s).
The specific parts of foreign proteins that the immune system recognizes and "remembers" are called ________
A) receptor sites B) binding sites C) antibody sites D) antigenic sites E) None of the above.
You are viewing an image from a microscope in which the specimens in the smear have more than one color. You are probably looking at
A. a smear stained with a differential stain. B. a specimen stained with various fluorescent molecules. C. a scanning tunneling micrograph. D. a specimen on a dark-field microscope. E. either a specimen stained with a differential stain or fluorescent molecules.