The statement that most correctly describes surrogacy is C, fertilizing sperm and egg in a lab and implanting it into another woman's uterus. This is the definition of gestational surrogacy, which involves In Vitro Fertilization. Gestational surrogacy also means the carrier is not genetically related to the baby, only the father.
1-<span>auxins in the lower sides of stems cause cell elongation that bends the stem upright
2-</span><span>thigmotropism.
3-</span><span>phototropic and gravitropic
4-</span><span>the production of anthocyanin and the breakdown of chlorophyll.
5-</span><span>exposing the plant to a brief period of light in the middle of the night</span>
The answer is D. Just think how hard it would be to see a moth of that colour when just about everything during that time period is grey.
Could you give us some more information?
Answer:
Positive selection involves targeting the desired cell population with an antibody specific to a cell surface marker (CD4, CD8, etc.). ... Negative selection is when several cell types are removed, leaving the cell type of interest untouched.