Category 1 Review

Movement of molecules from an area of low concentration to an area of high concentration is called --

• osmosis

• passive transport

• active transport

• diffusion

Human Immunodeficiency Virus (HIV) infects CD4 T cells and kills them. The death of these cells will

• Increase your risk of high blood pressure

• Increase the chance that you contract a secondary infection caused by a virus or microorganism.

• Increase your risk of low blood pressure

• A decrease of oxygen.

Which process occurs just before the cell enters the G2 stage of the cell cycle?

• Cytoplasm divides

• Centrioles double

• Nuclear membrane dissolves

• DNA replicates

The building blocks (monomers) of nucleic acids are

• amino acids

• DNA

• RNA

• Nucleotides

A key difference between Bacteria and Viruses is

• Viruses need host cells

• Bacteria are non-living

• Bacteria need host cells

• Viruses are living

Which viral life cycle kills its host cell by lysing (bursting)?

• Lysogenic Cycle

• Lytic Cycle

• Binary Fission

• Conjugation

The causes of cancer may include which of the following?

• environmental influences

• UV radiation

• viruses

• all of these

Which of the following would be found in both eukaryotic AND prokaryotic cells?

• chloroplast

• cytoplasm

• nucleus

• endoplasmic reticulum

Which is true of prokaryotic and eukaryotic cells?

Prokaryotic cells are larger than eukaryotic cells.

• Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.

• Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.

• Prokaryotic cells are larger than eukaryotic cells.

• Eukaryotic cells are simpler than prokaryotic cells.

Name two parts that are in the plant cell but that are NOT in an animal cell.

• cell wall and cell membrane

• cell membrane and chloroplasts

• cell wall and chloroplasts

• cell wall and cytoplasm

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NGSS.MS-LS1-2