One unique characteristic associated with some of the extreme halophilic Archaea is that:a
they are found at deep-sea vents on the sea floor.
b. they are a source of most known antibiotics.
c. they have photosynthetic ability involving a purple bacteriorhodopsin pigment.
d. they fix atmospheric nitrogen that is then used by plants.
e. most form symbiotic associations.
C
You might also like to view...
What is the function of tropomyosin in muscle cells?
A. Tropomyosin binds to actin molecules and brings about shortening of the muscles. B. Tropomyosin covers the myosin binding sites on the actin molecules, preventing contraction from occurring. C. Tropomyosin is the contractile unit of the muscle cell. D. Tropomyosin stores calcium.
Females who start smoking as teenagers are ________% more likely to develop breast cancer
a. 35 b. 70 c. 20 d. 100 e. 55
Which type of pathway is responsible for melanin production: a biosynthetic pathway, signal transduction pathway, or developmental pathway?
What will be an ideal response?
In animals, somatic cell lines are those that will undergo meiosis, differentiate into gametes, and be set aside early in
development. _________________ Indicate whether the statement is true or false.