Chapter 3 A&P

Phospholipids

ribosomes

facilitated diffusion

facilitated diffusion

primary active transport

exocytosis

DNA polymerase

The leading strand is built continuously, and the lagging strand is built in pieces.

DNA ligase

Which statement about DNA replication is FALSE?

DNA ligase adds nucleotides to the lagging strand.

During which phase of the cell cycle does DNA duplication, or replication, take place?

Interphase

When a double helix of DNA is replicated, two complete helices are formed. Together, these helices are called sister __________.

chromatids

During which phase of mitosis do sister chromatids line up at the center of the cell?

Metaphase

During which phase of mitosis do the sister chromatids move apart?

Anaphase

During which phase of mitosis do nuclear envelopes and the nucleoli reappear?

Telophase

During which phase of mitosis do the nuclear envelope and nucleoli disappear?

Prophase

What is the name of the process by which the cytoplasm divides in two?

Cytokinesis