Eukaryotic gene regulation takes place through the use of RNA- binding proteins called
and
short regions of DNA that help position RNA polymerase called
.
At the organism level, .
control the differentiation and development of cells during
embryonic development.

Hi! Your answers are;

-transcription factors

-TATA boxes

-homeotic genes

Explanation:

Hope this helped! :)

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.