How does propionibacterium acnes cause acne in humans? a. overuse of antibiotics can cause bacteria to clog pores in humans. b. this type of bacteria is found on the human skin, and it can clog pores. c. this type of bacteria often enters a cut and causes an infection in humans. d. close contact with an infected person can lead to acne in humans.

Q: a pair of homologous chromosomesa) always has the same genes and the same allows b)always has the same genes c)always has the same alleles d)never has the same genes

Solutions to environmental problems in europe must

Plz fast biotechnology is a growing field of applied biology. many crops such as corn have been engineered to be resistant to herbicides. therefore farmers can spray these chemicals to kill weeds growing near the crop without worries of killing the crop itself how does this type of biotechnology work? a. by changing the genetic make up of the crops. b. by causing the crops to kill the weeds. c. by changing the type of crops used. d. by changing the location of the crops.