Cell walls of most archaea and bacteria contain peptidoglycan.
Answer the following statement true (T) or false (F)
False
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B cells develop and mature in the __________.
What will be an ideal response?
What is a gastrula?
What will be an ideal response?
How many haploid cells are produced after the first stage of meiosis?
a. one b. two c. four d. none of these
There are seemingly conflicting studies that have taken a look at whether Neanderthals interbred with human ancestors. One study of mitochondrial DNA suggests that the two groups did not interbreed
Another study, of the whole genome, suggests that they did. Which of the following could explain these results? A. Taking a look at the whole genome is much more reliable than looking at mitochondrial DNA. B. Mitochondrial DNA is more susceptible to mutations than nuclear DNA so more change would be expected. C. Mitochondrial DNA is passed on the maternal side, so if Neanderthal females did not interbreed with our ancestors, Neanderthal mitochondrial DNA would never have entered the modern human gene pool. D. Genomic DNA is more susceptible to mutations than mitochondrial DNA, so more change we be expected. E. None of the answer options is correct.