When chromatin is in the form of a 30 nm fibril, how many copies of h1 and h2a histone proteins would be found in a stretch of chromatin containing 20 nucleosomes?.

Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not

Injuries in the environment are a result of