The answer is B, tRNA molecules bring amino acids for the ribosome to link together. Hope this helps :)
Answer:
Its a male, without down syndrome
Explanation:
The fact that it's a male is indicated from the presence of the Y chromosome. In order for this man to have down syndrome, he would have had 3 chromosomes at 21, which he doesnt, meaning he doesnt have down.
Epithelial tissue <span>covers the body surface and forms the lining for most internal cavities. </span>
B ecosystem. They include abiotic factors and biotic factors.
Bacteria can be beneficial. The example of how bacteria are beneficial is that they A. break down cellulose in some animals' digestive systems.