1) D chromosomes
2) B a double helix
3)A chromosomes are made of DNA
4)A genes
<span>A. fruiting body.
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Mushroom is an example of a heterotroph.
Autrophs are the organisms that have the capacity to form their own food from inorganic substances like the carbon dioxide.
<span>Heterotrophs are the organisms that cannot produce their own food but depends on other animals or plants for their nutritional needs. </span>
A: between the hydrogen atom of one water molecule and the oxygen atom of another
The epidural anesthesia is a method of pain relief, which is used during the labor pain. It is a well known regional anesthesia. It works by acting as an analgesic, which means a substance that eases the pain, a complete anesthesia or loss of feeling does not occur in the case of epidural anesthesia. It blocks the nerve signals from the lower spinal segments. It is also known as spinal epidural anesthesia or lumbar epidural anesthesia.
Hence, the black can be filled with lumbar.