The fibers that crisscross the cytoplasm of the cell are collectively called the cytoskeleton. The cytoskeleton helps a cell's shape, and either anchors the organelles or their movement. The cytoskeleton includes large microtubules and smaller . During cell division, fibers are formed from the microtubules. These assist the movement of chromosomes.

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

The table below shows the number of foot bones in some horse fossils. horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.