Keystone species ; this is a species whose presence is critical to the composition and integrity of the community
An operator is a segment of DNA that acts as an on/off switch for a translation
different ways to call operator are
operon
Answer:
C is the answer
Explanation:
my teacher told us it in like 4th grade
Answer:
Explanation:
Pollen tubes are produced by the male gametophytes of seed plants. Pollen tubes act as conduits to transport the male gamete cells from the pollen grain—either from the stigma (in flowering plants) to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms.
There are four major protein complexes in the thylakoid membrane: Photosystem II (PSII), Cytochrome b6f complex, Photosystem I (PSI), and ATP synthase. These four complexes work together to ultimately create the products ATP and NADPH.
