Bacteria, Visuses, and Microscopes

What is a virus made of?

• protein and nucleus

• Protein and DNA/RNA

• cells

• nucleus and membrane bound organelles

Tags

B.LS1.2

What do viruses need in order to reproduce?

• Living host cells

• other viruses

• non living cells

• nothing, they can reproduce whenever they want

Tags

B.LS1.1

Antibiotics work to protect against infections from__________.

• bacteria

• viruses

• both bacteria and viruses

• neither bacteria or viruses

What type of bacteria is shown in the picture?

• cocci

• bacilli

• spirillium

• there is not enough information to tell

Tags

B.LS2.2

The total magnification is a combination of which of the following?

• eyepiece magnification and objective lens magnification

• eyepiece magnification and stage magnification

• objective lens magnification and stage magnification

• stage magnification and slide magnification

The small knob on the side is used for___________.

• bringing the image into focus

• finding the image

• turning the image around to get a better view

• adjusting the amount of light beign used

Which virus cycle is shown in the image?

• lytic

• lysogenic

• neither lytic or lysogenic

• both lytic and lysogenic

What type of microscope is shown in the image?

• compound microscope

• electron microscope

• teloscope

• darkfield microscope

Which of the following was is NOT a beneficial job of bacteria?

• making of foods such as yogurt, sourdough bread, vinegar

• maintain healthy digestive tracts in humans

• aid in decomposition

• return oxygen to the atmosphere

Bacteria are _______________________ that do NOT have a nucleus.

• prokaryotes

• eukaryotes

• viruses

• protists

Tags

B.LS2.2