Port Bacteria and Cell Biology

Which domain do bacteria belong to?

• Domain Archaea

• Domain Eukarya

• Domain Protista

• Domain Bacteria

Tags

NGSS.MS-LS4-2

What is the shape of coccus bacteria?

• Spiral-shaped

• Rod-shaped

• Round-shaped

• Irregular-shaped

Why do Gram-positive bacteria stain blue?

• Due to a spiral shape

• Due to no cell wall

• Due to a thick cell wall

• Due to a thin cell wall

What is the term for bacteria that do NOT use oxygen for cellular respiration?

• Aerobic

• Anaerobic

• Photosynthetic

• Mutualistic

What is the primary method of reproduction in bacteria?

• Mitosis

• Meiosis

• Binary fission

• Budding

Tags

NGSS.MS-LS3-2

What does the word 'prokaryote' mean?

• Before nucleus

• True nucleus

• Single-celled organism

• Complex organism

Which of the following is NOT a characteristic of prokaryotic cells?

• Smaller size than eukaryotic cells

• Single circular chromosome

• Membrane-bound organelles

• No nucleus

What is the name of the region where prokaryotic DNA is found?

• Cytoplasm

• Plasma membrane

• Nucleoid

• Nucleus

Which scientist first observed bacteria from plaque scraped off his teeth?

• Louis Pasteur

• Alexander Fleming

• Robert Koch

• Antonie van Leeuwenhoek

What type of Archaebacteria live in very salty environments?

• Acidophiles

• Methanogens

• Halophiles

• Thermophiles