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Biology class. Must be 250 words must cite work.
Paleontologists say that anatomically modern humans may have at one time shared the Earth with as many as three other closely related types - Neanderthals, Homo erectus and the dwarf hominids. Read Are humans still evolving? If we are still evolving, what might our species look like in a millennium? Do stem-cells, environmental pollution and biotechnology play a role in our future evolution? Read and comment on your classmates' posts.
What is the significance of the first and last codons of an mRNA transcript?
There is another digestive enzyme other than salivary amylase that is secreted by the salivary glands. What is this enzyme? What substrate does it act one? Where in the body does it become activated, and why?
q1. hank a 17-year-old high school student suffered heart attack during a recreational swim. an autopsy revealed that
In the arabinose operon, repression is mediated by araC binding to I2, forming a loop complex that prevents RNA polyermase from transcribing the operon. Why does looping prevent transcription while it seems the promoter sequence is adjacent to the..
Circulatory system. Describe how chemistry, tissues, and cells act as building blocks of that organ and system. You will require including information on anatomy and physiology as well as interesting facts you found while doing your research.
If the enteric nervous system can orchestrate motility and secretion on its own, why are parasympathetic connection (espciallythrough the vagus nerve) important?
What is the definition of a polysaccharide? And what is it used for?
Review and evaluate current research into human fertility. In your opinion, which direction of research appears to be having the most success in improving fertility
A wild cherry tree has 5 pairs of chromosomes in its nucleus found in a cell in the vascular cambium. What is the number of chromosomes and the number of linear DNA strands during the G2 stage cell cycle?
An optional technique of performing the catalase test exist where hydrogen peroxide is dropped directly into a colony growing on an agar plate.
Compare and contrast xylem transport and phloem transport. What happens in a tree as it grows over the course of a singlesummer?
Human Reproduction PowerPoint Presentation Introduction: For this activity, you will develop a PowerPoint Presentation about human reproduction.
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