Lymphocytes are a type of white blood cell capable of producing a specific immune response to unique antigens. In thi..
Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..
Illusions are the perceptions and sensory data obtained from situations in which human error prevents us from seeing the..
Learn about the general structure of a eukaryotic gene, the transcription factors, and post-transcriptional regulation....
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..