Which statement about bacteria is true:
Correct answer: B. Gram-negative bacteria have more lipids in their cell wall
- A. Gram-positive bacteria have more lipids in their cell wall
- B. Gram-negative bacteria have more lipids in their cell wall
- C. Lipids are absent in the cell wall of both gram-positive and negative bacteria
- D. Both have an equal amount of lipids
Explanation
The key difference in the cell walls of gram-positive and gram-negative bacteria is the presence of an outer membrane in gram-negative bacteria, which contains lipids and contributes to their overall structure and properties.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
About Biodiversity and Variety of Life
Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.
Practise Biodiversity and Variety of Life
3,130 free Biodiversity and Variety of Life MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Biodiversity and Variety of Life questions
Mesosomes are infoldings of the cell membrane and are involved in:
Antibiotics that kill microbes immediately are called _.
All of the following bacteria have definite shapes except:
RNA viruses appear to have higher rates of mutation because:
Reverse transcriptase is:
Which one of the following statements about viruses is correct?