Channel proteins that form a narrow passageway in gap junctions are known as <span>connexons
</span><span>Connexons are assemblies of six proteins that form a pore or a narrow passageway between the cytoplasm of two adjacent cells.
These passageways allow the bidirectional passage of iron and signals between the cells. </span>
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The puppies heads are often to big to fit through their mothers birth canal. They may get birth defects like flat chests, if their face are wrinkly they get acne and eye problems, and they are prone to skeletal disorders like hip dysplasia.
Answer: False
Tropic rain-forest resides within the tropic of cancer and tropic of Capricorn, there are also rain forest in temperate areas between the tropics of cancer and Capricorn .Tropical rain forest has hundreds of tree species but temperate rain forest have only about 10-20 tree species . Temperate rain forest mostly have most animal insect and reptile life at ground level but in tropical rain forest life spans from the ground to tree tops
1. nucleus--> this is where the formation of ribosomal subunits.2. cytoplasm---> this is where the attachment of an amino acid to tRNA.3. Free ribosomes---> this where the translation of cytoplasmic proteins happens.4. chromatin---> this is where transcription and RNA processing happens.5. ribosomes---> translation of secreted proteins