The only group of fungi to have a flagellated stage is the ____

The genes of a gene family that consist of two or more homologous genes are called ___

A. Orthologs B. Paralogs C. Polylogs D. Homologs

Answer the following statements true (T) or false (F)

1. Unmethylated CpG islands are correlated with inactive genes. 2. Loosely packed chromatin is said to be in an open conformation. 3. Alternative versions of proteins often have similar functions. 4. MicroRNAs increase the rate of mRNA translation.

Why did the dinosaurs become extinct?

A. A meteorite or comet crashed into the Earth, causing smoke and ash that blocked the sun and caused death of the plants that were food for herbivorous dinosaurs. B. Cycads and other gymnosperms upon which herbivorous dinosaurs fed declined, and the dinosaurs were unable to digest the angiosperms that arose in their place. C. Increasing carbon dioxide levels produced climates too hot for the incubation of their eggs. D. The changing climate caused the evolution of most dinosaur species into the existing bird, mammal, and reptile species that exist today. E. The pollen produced by the rise in flowering plants produced allergenic responses in dinosaurs and interfered with their ability to communicate with potential mates.

Consider the cell cycle of a human cell.  During G2, what is the state of the homologous chromosomes?

A. The homologous chromosomes have been pulled to their respective poles by the spindle apparatus. B. The homologous chromosomes have not been replicated yet. C. The homologous chromosomes are lined up on the equator of the cell. D. The homologous chromosomes are now in the haploid or n condition. E. The homologous chromosomes have all been copied through DNA replication and are beginning to condense.