You have found a mutant of Streptococcus pneumoniae that has lost the ability to produce a capsule. If you inject this strain into a population of healthy mice, what prediction can you make about the consequences?
A. The mice will die of pneumonia.
B. The mice will remain healthy.
C. The mice will get a severe case of pneumonia and recover.
D. The infection will respond to antiviral medication.
Answer: B
You might also like to view...
A small tear in a ligament is called a
1.strain. 2.fracture. 3.bruise. 4.dislocation. 5.sprain.
Prostaglandins may act as local signaling molecules in the uterus, causing ________
Fill in the blank(s) with correct word
The "a" helix of proteins is..?
a. Part of the tertiary structure and is stabilized by disulfide bridges. b. a double helix. c. stabilized by hydrogen bonds and commonly found in fibrous proteins. d. found in some regions of globular proteins and stabilized by hydrophobic interactions. e. a complementary sequence to messenger RNA.
You are studying a new variant of a eukaryotic cell. The variant cell has mutated so that it no longer attaches well to surfaces or initiates the formation of a biofilm. The mutation in this cell has most likely affected the _____.
A) Cell membrane B) Mitochondria C) Glycocalyx D) Flagellum