Meiosis _____ the parental chromosome number
a. doubles
b. halves
c. maintains
d. mixes up
B
Biology & Microbiology
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Which of the following represents the highest level of chromosome condensation?
A. Radial loop domain B. 30 nm fibers C. Double helix D. Nucleosome E. Heterochromatin
Biology & Microbiology
Which type of plant hormone is primarily responsible for the bending of a plant shoot toward light?
a. auxins b. ethylene c. systemin d. salicylic acid e. brassinosteroids
Biology & Microbiology
During DNA replication, the enzyme that unwinds and separates the DNA double-helical molecule is
A. DNA polymerase. B. primase. C. ATP synthase. D. ligase. E. helicase.
Biology & Microbiology
How many skeletal muscles are found in the
body?
a. 900 b. 800 c. 350 d. 700 e. 70
Biology & Microbiology