Bio Starr

What is one way that a lysogenic infection differs from a lytic infection?

• A lysogenic virus does not act on bacteria as a lytic virus does.

• A lysogenic virus can remain in the host DNA for a longer period without becoming active.

• A lysogenic virus contains RNA instead of DNA.

• A lysogenic virus directs the production of new viruses right away.

Tags

B4C

Cell have several mechanisms for regulating their internal environments. Which of these mechanisms involved in maintaining homeostasis requires energy?

• osmosis

• diffusion

• active transport

• passive transport

Tags

B4B, B10B

This cell is undergoing mitosis.  What stage of mitosis is shown?

• prophase

• metaphase

• anaphase

• telophase

Tags

B5A

This diagram shows the cell cycle.

Which of the following activities occur in the S phase?

• Replication of the DNA

• Growth of the cell

• Formation of the mitotic spindle

• Breakdown of the nuclear membrane

Tags

B5A

• Prophase

• Anaphase

• Telophase

• Interphase

Tags

B5A

Which organic macromolecules are composed of chains of amino acids that join to form the structural components of organisms?
(a)  

• proteins

• carbohydrates

• nucleic acids

• lipids

Tags

B9A

Which cell part is present in eukaryotic cells, but not in prokaryotic cells?
(a)  

• nucleus

• cell membrane

• cell wall

• cytoplasm

Tags

B4A

The ability to maintain a stable internal environment is called ________________.

• Metabolism

• Mitosis

• Heterozygous

• Homeostasis

Tags

B4B

What is the capsid of a virus?

• the disease it causes

• the receptors to which it binds

• the genetic material
  

• its protein coat

Tags

B4C

Which of the following is a possible result of a disruption in the cell cycle?
(a)  

• cancer

• photosynthesis

• cellular respiration

• protein synthesis

Tags

B5C