I believe it's the Intracellular Hormone Receptors
Most hormones circulate in blood, coming into contact with essentially all cells. However, a given hormone usually affects only a limited number of cells, which are called target cells. A target cell responds to a hormone because it bears receptors for the hormone.
Explanation:
they are both heterotrophic
Answer:
Zygote
Explanation:
Ovum + sperm =zygote
Increased or maturing zygote is a Blastocyst
Answer:cell 9 is not missing any organelles compared to cell 1.
Cell 2 would not function normally because it lacks the mitochondria which is the powerhouse necessary for energy production & hence growth & survival.
Cells 4 & 7 lack the rough endoplasmic reticulum responsible for protein formation hence amino acids which are the building blocks of life will not be produced.
Explanation:
The way water is cycled through the air and the atmosphere it is how we retain clean and good water in our planet.