Match the following events with the appropriate stage/ process of cell division: centrosome movement homologous chromosomes separate dna exchange chromatids separate
a. prophase i
b. anaphase i
c. crossing over
d. anaphase ii
e. prophase ii
f. telophase i

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.