Answer:
a. The model delivers amino acids to the ribosome so they can
be added to the developing pepetide.
Explanation: tRNA is transfer ribonucleic acid. Its help to aid translation process. They have the appropriate anti codon that is a complement of mRNA i.e messanger RNA they Therefore give the appropriate amino acids to ribosome to form the appropriate polpeptide chain. Each amino acid has its own tRNA.
The correct answer is A. Is that which benefits others while causing a disadvantage to the individual.
Explanation:
In biology, altruistic behavior occurs as one organism actions benefit other organisms either because these actions increase the reproductive fitness or the chances an organism survives and prevails over time. Additionally, altruistic behavior implies there is a disadvantage for the organisms acting in the benefit of others. For example, wolves or similar animals take food to those that did not participate in hunting, which means they help other wolves to survive on their own cost as this means less food for those that hunted. According to this, altruistic behavior "is that which benefits others while causing a disadvantage to the individual".
the beak is what keeps most birds alive
Answer: He didn’t grow a plant without fertilizer.
Explanation: Manu has nothing to compare his plant to. Meaning, he cannot prove that fertilizers help plants grow. He needs to grow a plant with and without fertilizer.
C. It requires active transport because the use of energy is necessary, the natural and opposite flow to this, would be from high to low concentration that requires little to no energy (i.e passive diffusion).
