Question

1/ Nucleotides are attached at the ___ carbon during replication.

a/ 1'

b/ 2'

c/3'

d/4'

e/5'

2/ what characteristics do gap junctions bestow on tissues that use these adhesions.

a/ they allow comminution between adjacent cells.

b/ they form a watertight battier between the cells.

c/ they use the extracellular matrix to indirectly connect adjacent cells.

d/ they provide strong connections to resist pulling forces

e/ All of the above

f/ A and B only

3/ when we first see chiasmata under a microscope we know that.

a/ Asexual reproduction has occurred.

b/ Meiosis II has occurred.

c/ anaphase II has occurred.

d/ prophase I is occurring.

e/ separation of homologs has occurred.