Which of the following items associated with DNA packaging is the thickest?
a. an H2A histone protein
b. a nucleosome
c. a DNA double helix
d. a solenoid
Ans: d. a solenoid
Biology & Microbiology
You might also like to view...
On which continent are introduced mosquito species absent?
a. Asia b. North America c. South America d. Antarctica e. Australia
Biology & Microbiology
Which of these are likely to be pioneer organisms?
A. lichens, moss, grass, and insects B. elephants and deer C. rabbits, grass, trees, and birds D. mice and men
Biology & Microbiology
A positive LE test and 10,000 CFU/ml in urine indicates
A) cystitis. B) gonorrhea. C) urethritis. D) pyelonephritis. E) genital herpes.
Biology & Microbiology
Consider an organism whose karyotype shows it to have a total of 60 chromosomes. How many chromosomes would be contained in the sperm of this organism?
A. 90 B. 46 C. 23 D. 30 E. 60
Biology & Microbiology