Answer:
xylem
Explanation:
xylem
The vascular system of plants has two transport tissues, called xylem and phloem. Xylem transports water and minerals, while phloem transports a variety of dissolved substances, including sugars and amino acids, throughout the plant.
The operon is effectively the center of transcriptional control. In addition to its main structural genes, the operon houses an operator and a promoter. In front of the promoter lies a regulatory gene that produces repressor proteins. When a repressor is in its active state, it binds to the operator.
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Darwin believed that organisms changed gradually over time,but Lamarck thought they changed suddenly.Lamarck believed that organisms could acquire characteristics during their lifetime that they could pass down to their offspring,but Darwin did not believe these traits could be passed down.Darwin believed that species are still changing,but Lamarck believed they had stopped.Lamarck believed that evolution occurred randomly,but Darwin thought it was the result of predetermined plan.Hope this help you!
Answer:
genes
Explanation:
literally just answered this question i guessed and got it right
The given blank can be filled with medulla.
The medulla also called the medulla oblongata is the segment of the brainstem that is factually the stem, which elongates from the brain. The medulla is positioned below the pons and above the spinal cord and is a major relay intersection for information conducted to and from the spinal cord and the brain. This section of the brain is a monitoring center for circulation and respiration.
