Hydrogen atoms and one oxegyn atom
Living is the answer of questions
Explanation:

hey please make me brainlist
Answer:
A promoter is a region of DNA where transcription of a gene is initiated.
Explanation:
Promoters are a vital component of expression vectors because they control the binding of RNA polymerase to DNA.
Hope this helps and sorry if this is too late!
Answer:
The correct option is A) the hypothalamus
Explanation:
The hypothalamus is a part of the diencephalon located below the thalamus and formed by several nuclei of neurons with their associated nerve fibers, many of them neurosecretory nature, that is, to the hypothalamus, afferent and efferent pathways arrive and depart respectively, which connect it with different regions of the brain and outside it, receives signals from internal sensory receptors and, in response, sends orders through pathways in which very few synapses intervene to quickly generate regulatory responses, for this reason, the hypothalamus is considered the center of neuroendocrine, autonomous and homeostatic regulation, which acts as an integrating center coordinating environmental messages, rhythms, endogenous development patterns, emotions and body signals, to finally produce, in an integrated way, early autonomous responses and relatively late endocrine responses.