<span>An operon is an arrangement of genes consisting of an operator, a promoter, and a repressor.</span>
Answer:
A. Thalamus
Explanation:
There are two large ovoid organs called the thalamus, which form most of the lateral walls of the third ventricle of the brain. A variety of receptors transmit signals from the thalamus to the cerebral cortex. Thalamus is anatomically situated adjacent to the midline third ventricle in the brain.
The cell is the smallest functional unit of life, which is why it is sometimes referred to as the building block of life.
Answer:
Red blood cells are a type of specialized cell that move <u>oxygen </u>and carbon dioxide throughout the body.
A structure made of two or more tissues working together to achieve a common function is a/an <u>an</u><u> </u><u>organ</u><u> </u>
<u>cellular </u><u>defferentiation</u><u> </u>describes the degree of specialization that a cell is able to undergo.
A/An <u>embroynic</u><u> </u>stem cell can differentiate into all cell types found within an embryo.
In <u>cytoplasm</u> organisms, all cellular activities take place within a single cell.