a closer look at bacteria

a closer look at bacteria

Multiple Choice

Which type of cells are typically unicellular?

• human

• bacteria

• plant

Multiple Choice

Which is NOT a main cell type?

• plant

• grass

• animal

• bacteria

Multiple Choice

Unicellular organisms are made up _____ cell.

• two

• one

• three

Multiple Choice

What is the cell theory?

• all living things have a theory

• all living things are unique

• all living things are made up of cells

Multiple Choice

What is an organism?

• something that is living

• something that is nonliving

Multiple Choice

Which of the following is a circular DNA from bacteria that can hold a foreign gene?

• plasmid
• restriction enzyme
• ligase
• protein expression

Multiple Choice

Bacteria have a cell membrane

• True
• False
• Some do, some don't
• Only in certain temperature conditions

Multiple Choice

Bacteria cells share which of the following organelles in common with plant and animal cells?

• cell membrane, RER
• cell wall, mitochondria
• nucleus, ribosomes
• ribosomes, cytoplasm

Multiple Choice

Which statement about bacteria is true?

• Bacteria help you breath
• Bacteria help you digest your food
• Bacteria help add carbon dioxide to the atmosphere
• All bacteria need sunlight to make food

Multiple Choice

Which statement about bacteria is true?

• All bacteria are prokaryotes
• All bacteria are eukaryotes
• All bacteria are autotrophs
• All bacteria are heterotrophs

Multiple Choice

Round off 60 835 correct to three significant figures.

• 60 800

• 60 830

• 60 840

• 60 900

Multiple Choice

Round off 4.028 correct to three significant figures.

• 4.02

• 4.020

• 4.03

• 4.030

Multiple Choice

• 0.8 × 10¹

• 8 × 10^-1

• 0.8 × 10⁰

• 8 × 10¹

Multiple Choice

• 8.9 × 10^-4

• 0.89 × 10^-4

• 8.9 × 10^-3

• 0.0089 × 10^-3

Multiple Choice

• 5.4 × 10^-4

• 54 × 10⁵

• 5.4 × 10⁵

• 5.4 × 10⁴

Multiple Choice

• 340000

• 340

• 3400

• 34000