In which of the following ways are dna and mrna different? only dna can be read by trna molecules during replication to form copies of the genetic information in the original dna. only dna contains adenine, guanine, and cytosine in a sequence that can be used to make proteins by unzipping and base pairing in the nucleus. only dna has a single stranded structure which can be replicated to form complementary strands. only dna serves as the master copy of an organism's genetic code which must be replicated by unzipping and base pairing before the cell divides.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?