first 2 in class worksheets

Who of the following provided the evidence needed to discredit the concept of spontaneous generation?

Bacterial membrane phospholipids are typically amphiphatic molecules with ______-linked long-chain fatty acids projecting into its hydrophobic interior, whereas Archaean membrane phospholipids are ______-linked

Flagellar motility is driven by:

You have discovered a new coccoid-shaped microorganism with no nucleus, a rigid cell wall, and a diameter of 2um. Chemical tests reveal that its cell wall does NOT contain peptidoglycan. The new microorganism is...

Proteins that are loosely associated with the cytoplasmic membrane are called ______ proteins

All of the following statements about the periplasmic space are true except _______

If you remove the peptidoglycan layer from a gram-positive cell, it will still stain purple with a gram stain

compared to eukaryotes, bacteria and archaea have _______ surface-to-volume ratios, causing _____ nutrient exchange

Which of the following can be used to isolate pure cultures of bacteria from mixtures?

The total number of viable microorganisms remains constant in stationary phase because ______.