Receptors<span> are generally transmembrane </span>proteins<span>, which bind to signaling molecules outside the cell and subsequently transmit the signal through a sequence of molecular switches to internal signaling pathways</span>
Answer:
The change in their beaks and sound production.
Answer:
B) Autotrophes
Explanation:
Producers are <u>autotrophes</u> because, they make their own food. Hence, the option (b) is the correct answer.
Answer:
The monomers combine with each other via covalent bonds to form larger molecules known as polymers
Explanation:
Gathers simple molecules to make larger ones