The answer for this would just be your opinion.
how confident are you in answering the question, if you are not confident than say you aren’t and try to explain it to the best of your ability.
This diagram could represent a B.
protein because if you look at the bonds you will see an R group and R groups are typically found in proteins.
The correct answer would be option A. Leafy gametophytes. The feature that differentiates mosses from liverworts and hornworts are the leafy gametophytes. A gametophyte is a multicellular haploid generation which is involved in the process of alternation of genes along with a diploid generation called as sporophyte.
The parts of the circulatory system include the heart, the lungs, and all the veins and arteries.
The phrase "multiple alleles" in biology refers to a series with at least three allelic or alternative forms of a particular gene with only two that are able to exist in diploid individuals.