All of these are somatic cells except:
A) heart cells.
B) sperm cells.
C) kidney cells.
D) brain cells.
E) skin cells.
B) sperm cells.
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Inverted repeats are common features of transcription termination sequences in all three domains of life
Indicate whether the statement is true or false.
Which of the following types of cellular activities can be a response to cell signaling?
A. Cell division is triggered. B. Gene expression patterns are changed. C. Enzyme activity patterns are changed. D. Cell signals are released to communicate with other cells. E. All of these choices are correct.
As the size of a cell increases,
A. the surface area increases faster than the volume. B. the surface area and the volume increase at the same rate. C. the volume increases faster than the surface area. D. there is no relationship between surface area and volume.
Myosin II is found in skeletal muscle and the contractile ring. It is a two-headed myosin with tails that can form thick filaments. Other myosins such as myosin I or myosin V do not form thick filaments and yet are still capable of producing movement along actin filaments. To what do the tail(s) of myosin I or myosin V bind?
a. Cargo such as membrane vesicles or intermediate filaments b. Centrosomes c. Chromosomes d. Tubulin