Plasmids
a) are transferred from one bacterium to another by conjugation
b) often contain antibiotic resistance genes
c) allow bacteria to survive adverse conditions
d) replicate independently of the main chromosome
e) all of the listed responses are correct.

When plants use sunlight to make food, the energy of sunlight is

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino