Part a: interphase

just before meiosis begins, the chromosomes are replicated.

1. use ten beads and a centromere of one color to construct the long

chromosome. use ten beads and a centromere of a second color to construct

the second chromosome in the long pair. make a drawing of the

chromosomes in the space below.

2. for the second pair of chromosomes, use only five beads.

Read each description below and determine to which stage of sleep each pertains. then click and drag each box into the appropriate category below.

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Fossils of ancestors of the modern horses show a small 4-toed almost dog-like browsing animal named eohippus over time the horses got larger lost toes and changed to a grazing diet what is the best explanation of why this change occurred