It is about 4.22 light-years<span> from Earth and is the closest star other than the sun. Alpha Centauri A and B orbit a common center of gravity every 80 years. The average distance between them is </span>about 11 astronomical units<span> (AU) — about the same distance as the sun is to Uranus.</span>
Answer:
secrete a cytokine that triggers apoptosis
Explanation:
Cytotoxic T cells secrete granzymes and perforins when targeting cells. Additionally they secrete cytokines such as IFN-, TNF-α and TNF-β that act to activate macrophages and help kill infected cells.
The region of the mitochondria with the highest level of hydrogen ion is the INTERMEMBRANE SPACE.
The mitochondria is made up of many parts, such as the outer membrane, the inner membrane, the intermembrane space, the cristae and the matrix. The high concentration of hydrogen ion in the intermembrane space is used to power ATP synthase.
Answer:
the meaning of biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
Explanation:
Answer:
Canis Lupis is considered a scientific name for a wolf. E coli is not a scientific name and German shepherd is a breed. Paramecium is a single called protozoan