In which of the following ways are trna and mrna different? a. the mrna repairs mistakes in the dna while trna repairs proteins. b. only trna bends into a shape that can carry specific amino acids. c. only trna can come in contact with the ribosomes in the cytoplasm. d. the mrna uses uracil while the trna uses thymine in its place.

What are the types of mutations, and how does each alter the encoded protein? college level answer

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.