Lipophilic steroids<span> and </span>thyroid<span> hormone are both transported in the blood largely bound to </span>carrier plasma proteins<span>, with only free, </span>unbound<span> hormone being biologically active. Lipophilic hormones readily enter through the </span>lipid membrane barriers<span> of their target cells and bind with nuclear </span>receptors<span>.
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I believe your answer is c: Food Webs
I think the presence of a signal affect the expression of the structural enzymes in that it stops the production of the structural enzymes. Without the signals, the structural enzymes are produced. Genomic DNA contains both the structural genes that encodes products that serve as cellular structures or enzymes, and regulatory genes, which encode products that regulate the expression. In multicellular organisms allows for cellular differentiation while in single celled organisms like prokaryotes , regulation ensures that a cell's resources are not wasted making proteins that the cell does not need at that time.
It is called mode I think
Answer:
The thick and sticky mucus associated with cystic fibrosis clogs the tubes that carry air in and out of your lungs. This can cause signs and symptoms such as: A persistent cough that produces thick mucus (sputum) Wheezing.