In humans, the average mutation rate is estimated to be around $2.5 cdot 10^{-8}$ (Nachman and Crowell, 2000). Of course this mutation varies from sequence to sequence. Can you please give some i…
A) An Enucleated ovum b) Mature RBC c) A mature spermatozoan d) Hair root According to me, there can be 2 answers, a and b because an ovum whose nucleus has been removed lacks DNA. And also, initi…
What you’ll learn to do: Discuss the reproductive development and structure of plantsPlants have evolved different reproductive strategies for the continuation of their species. Other plants pollinate via wind or water; still others self-pollinate.
According to this article The ethical brain At the end of the week 5 into the 6 (42-43 days) the first electrical brain activity occurs in a pre-born developing human. And according to the same a…
flagellum for motility, a neck that contains the cell’s energy-producing mitochondria, and a head that contains the genetic material (Figure 18.3.1). An acrosome (acrosomal vesicle) is found at the top of the head of the sperm. This structure contains enzymes that can digest the protective coverings that surround the egg and allow the sperm to fuse with the egg.
