Bacterial DNA & Genetics

What is Dr. Sammy's profession?

• Biologist

• Entomologist

• Zoologist

• Microbiologist

Approximately how many cells make up a human body?

• 37 billion

• 37 million

• 37 trillion

• 37 thousand

The video highlights that the human body is composed of both human cells and bacteria. What is the approximate order of magnitude for the number of human cells?

• Billions

• Millions

• Trillions

• Thousands

Which of these body parts are explicitly mentioned as being formed by cells?

• Skin and brain

• Spleen and heart

• Skin and spleen

• Brain and heart

Which of the following cell types is visually represented as forming part of the human body?

• Plant cells

• Bacterial cells

• Nerve cells

• Fungal cells

Which of the following is a type of cell that is shown to have a distinct, branching structure?

• Blood cells

• Skin cells

• Nerve cells

• Muscle cells

Which of the following cell types is NOT visually depicted as part of the human body?

• Skin cells

• Blood cells

• Bone cells

• Muscle cells

The video shows different forms of bacteria. Which shape is NOT depicted among the bacteria examples?

• Rod-shaped

• Spherical

• Spiral

• Irregular clusters

Besides human cells, what other organisms does the human body host in large numbers?

• Viruses

• Fungi

• Bacteria

• Protozoa

What is the general term used for the microscopic organisms that live in and on the human body, as mentioned in the video?

• Pathogens

• Microbes

• Bacteria

• Viruses