Test Review 3/23/23

Why aren't viruses considered living things?

• They aren't made of cells

• They don't have DNA or RNA

• They make us sick

• They are made of protein

Answer explanation

VIruses are made of a protein capsule containing DNA or RNA.

All living things are made of cells.

Match the following pictures to their names:

• Flu virus

• 
• Prokaryotic Cell

• 
• Bacteriophage virus

• 
• Eukaryotic Cell

• 

When a virus takes over a cell, it can cause the cell to create many more copies of the virus until the cell bursts open and releases them. What part of the virus's lifecycle is this?

• Lytic

• Lysogenic

Answer explanation

THe lysogenic cycle is a dormant cycle for the virus - it integrates its DNA into the cell but doesn't not activly take over.

Unlike ​ (a)   , viruses cannot reproduce on their own. Viruses need a ​ (b)   cell to reproduce.

• cells
• host
• virus
• water

The two components of a virus are nucleic acid and __________.

• protein

• carbohydrates

• lipids

• glucose

Virus' genetic information contains the code to:

• make copies of itself

• obtain and use energy

• reproduce

• grow and develop

Contains GENETIC MATERIAL- DNA/RNA

• Bacteria

• Virus

• Both bacteria & virus

• Neither bacteria nor virus

Why do viruses have projections on the outside?

• To send signals to other viruses.

• To maintain their structure.

• To attach to the host cell.

• To reproduce.

What three things do plants need?

• Water, air, and sunlight.

• Water, soil, and sunlight.

• Water, soil, and air.

• Love, family, and Cheetos.

Why do plants conduct photosynthesis?

• To make light
• To make mitochondria
• To make glucose
• To release carbon dioxide