Which statement best describes the genetic makeup of gametes (sex cells) that are produced by humans? each cell has pairs of chromosomes and cells are usually genetically identical

each cell has pairs of chromosomes and cells are usually genetically different

each cell has half the number of chromosomes and cells are usually genetically different

each cell has half the number of chromosomes and cells are usually genetically identical
C

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

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.

Which of these transport mechanisms moves glucose from the blood into a cell? active transport diffusion facilitated diffusion osmosis