Which of the following structures allows a bacterium to propel itself through its environment?
a. microfilaments
b. intermediate filaments
c. microvillus
d. flagellum
e. microtubule
D
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When a cell reproduces by mitosis and cytoplasmic division, does its life end?
What will be an ideal response?
Four of the five regions listed below are experiencing less than 1.9 percent annual population growth
Select the exception.
a. Western Europe b. North America c. Africa d. Australia e. Russia
Which of the following is NOT true of human
chromosomes?
a. The haploid number is 23. b. The diploid number is 46. c. There are 23 pairs of chromosomes. d. Human gametes end up with two of each type of 23 chromosomes. e. Human gametes end up with one of each type of 23 chromosomes
When a young, vigorously growing culture of bacteria is transferred to fresh medium of different composition, the lag phase is usually short or absent.
Answer the following statement true (T) or false (F)