The microbes living in the human gut provide which benefit?
AThey make red blood cells
BThey make vitamin K
CThey filter the blood
DThey cool the body down
Answer & Solution
Correct answer: B. They make vitamin K
1. Not all microbes cause disease; most are actually beneficial.
2. The microbes in your gut make vitamin K, a benefit the body cannot supply on its own.
3. Blood cells and blood filtering are jobs of your own organs, not of gut microbes.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 4 "Cell Structure", section 4.2 Prokaryotic Cells_
Related questions
The earliest fossil evidence for life on Earth, microbial mats, dates back about:A gap junction channel is built when six connexin proteins arrange into a structure calledRanking the cytoskeletal fibres from narrowest to widest gives:Lysosomes can digest material because their internal pH is:Removing the centrosome from a cell shows that centrioles:Which pair of structures is found in animal cells but generally not in plant cells?Structures found in plant cells but not in animal cells include chloroplasts, a large centThe material cells secrete around themselves, holding a tissue together, is the: