Plasma membranes are a feature of

A. all cells.
B. prokaryotic cells only.
C. eukaryotic cells only.
D. plant cells only.
E. animal cells only.


A. all cells.

Biology & Microbiology

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Membranes of some thermophilic Archaea are stabilized by ether linked phospholipids.

Answer the following statement true (T) or false (F)

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What is the function of bactoprenol?

A) It is a hydrophobic alcohol that transports peptidoglycan precursors across the cytoplasmic membrane. B) It is responsible for forming the peptide cross-links between muramic acid residues in adjacent glycan chains. C) It triggers the recruitment of FtsZ and the initiation of the divisome. D) It supplies the energy necessary for transpeptidation to occur.

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This animal has water-proof eggs, gives live

birth, and nourishing its young with milk from glands. This animal is

a. a turtle. b. a shark. c. a platypus. d. a rat. e. more than one of these

Biology & Microbiology

Lysozyme is an antimicrobial enzyme found in tears and saliva.

a. true b. false

Biology & Microbiology